| abiogenesis | The supposed production of certain living organisms directly from inanimate matter, rather… | 1870 | Go To Quotation |
| abiogenist | A person who supports the hypothesis of abiogenesis (spontaneous generation). Cf. abiogenesis n. 1. | 1870 | Go To Quotation |
| acarophilous | That lives in or is adapted for a symbiotic relationship with mites; spec. (of a… | 1896 | Go To Quotation |
| actinophone | An apparatus in which sound is produced as a result of the action of sunlight on it. | 1881 | Go To Quotation |
| actinophonic | Relating to sound produced by the action of sunlight. | 1881 | Go To Quotation |
| activin | A gonadal glycoprotein which acts to stimulate the synthesis and secretion… | 1986 | Go To Quotation |
| acumentin | An actin-binding protein found in macrophage cells which binds selectively to the pointed… | 1982 | Go To Quotation |
| acyanogenic | Designating plants that do not produce cyanide. | 1962 | Go To Quotation |
| addressin | Any of a class of proteins that are expressed on the surfaces of cells and are specific… | 1988 | Go To Quotation |
| adenylyl | = adenyl n. | 1953 | Go To Quotation |
| adipocyte | A type of connective tissue cell which is specialized for the synthesis and storage of fat (predominantly as triglyceride). | 1906 | Go To Quotation |
| adsorbability | The degree to which a substance or molecule is adsorbable. | 1909 | Go To Quotation |
| advective | Resulting from or involving advection. | 1909 | Go To Quotation |
| Aegyptopithecus | An extinct ape-like primate, Aegyptopithecus zeuxis (now often placed in… | 1965 | Go To Quotation |
| aeronomic | Of or relating to aeronomy. | 1946 | Go To Quotation |
| aeronomy | The branch of science that deals with the physics and chemistry of the (upper) atmosphere… | 1946 | Go To Quotation |
| Afropithecus | A large extinct ape, Afropithecus turkanensis, known from mid Miocene fossil remains… | 1986 | Go To Quotation |
| aliphatic | Having a molecular structure based on an open-ended chain of carbon atoms; not aromatic (aromatic adj. 2). | 1882 | Go To Quotation |
| allochthon | An allochthonous rock or mineral formation; esp. a part of a faulted formation that… | 1895 | Go To Quotation |
| allogeneic | Derived from a genetically dissimilar individual of the same species; occurring between two such individuals. | 1961 | Go To Quotation |
| allograft | A transplant (of tissue or an organ) between genetically dissimilar individuals of… | 1961 | Go To Quotation |
| ammeter | An instrument for estimating the force of electric currents. | 1882 | Go To Quotation |
| anaseismic | (See quot.) | 1881 | Go To Quotation |
| androstenedione | An androgenic steroid, C 19 H 26 O 2, from which testosterone and certain oestrogens are derived in humans. | 1935 | Go To Quotation |
| anemometric | Of or pertaining to anemometry. | 1881 | Go To Quotation |
| aneurin | Vitamin B 1; = thiamine n. 3a. | 1935 | Go To Quotation |
| Ångström (unit) | A hundred-millionth of a centimetre (10 −8 cm.), used in measuring the wavelengths… | 1892 | Go To Quotation |
| anthracic | Of or pertaining to the disease ‘anthrax’. | 1881 | Go To Quotation |
| anthropophagist | A habitual cannibal. | 1881 | Go To Quotation |
| antlerless | Without antlers. | 1881 | Go To Quotation |
| aphototropic | Bending or turning away from the light (cf. apheliotropic adj.). | 1903 | Go To Quotation |
| apogeotropically | In a direction away from the ground. | 1880 | Go To Quotation |
| apterygial | Destitute of fins, finless. | 1902 | Go To Quotation |
| Arbëresh | A member of an Albanian-speaking people inhabiting parts of southern Italy and… | 1880 | Go To Quotation |
| arginase | An enzyme capable of hydrolysing arginine into ornithine and urea. | 1904 | Go To Quotation |
| aseismic | Resistant to the destructive effects of earthquakes. | 1884 | Go To Quotation |
| asteroseismology | The study of the interior of stars by the observation and analysis of oscillations at their surface. Cf. helioseismology n. | 1983 | Go To Quotation |
| astroparticle physics | The branch of physics concerned with subatomic particles of cosmic origin and their relevance to astrophysics and cosmology. | 1984 | Go To Quotation |
| astrophysics | With sing. concord. The branch of astronomy that deals with the physical properties… | 1870 | Go To Quotation |
| augmentor | Physiol. Applied to a nerve or nerve cell by the stimulation of which the cardiac contractions are increased. Also attrib. | 1902 | Go To Quotation |
| auroric | = auroral adj. 3. | 1881 | Go To Quotation |
| Australopithecus | Any of several extinct bipedal hominids of the genus Australopithecus, known from… | 1925 | Go To Quotation |
| autoradiograph | trans. To produce an autoradiograph of; to investigate using autoradiography. | 1947 | Go To Quotation |
| aviculturist | One who practises aviculture; a bird-fancier. | 1904 | Go To Quotation |
| bacteriocin | Any usu. proteinaceous antibiotic produced by bacteria of one strain and active against those of another strain. | 1954 | Go To Quotation |
| bacteriostasis | Inhibition of the growth of bacteria without destroying them. | 1936 | Go To Quotation |
| baddeleyite | A mineral consisting of zirconium oxide (zirconia), occurring naturally as a minor… | 1892 | Go To Quotation |
| baffle-plate | A plate hindering or regulating the passage of fluid through an outlet or inlet, or the direction of sound. | 1882 | Go To Quotation |
| balneography | of or pertaining to balneology. | 1879 | Go To Quotation |
| Barisal | booming sounds heard in Barisal and certain other regions, esp. on or near water. | 1896 | Go To Quotation |
| basylous | Pertaining to, or of the nature of, a basyl. | 1881 | Go To Quotation |
| beknotted | Tied into or covered with knots. | 1882 | Go To Quotation |
| benthal | Of or pertaining to ocean-depths exceeding 1000 fathoms. | 1881 | Go To Quotation |
| bimodulus | The double of the modulus of a system of logarithms. biˈmodular adj. of or pertaining to the bimodulus. | 1881 | Go To Quotation |
| biocatalysis | Originally: catalysis occurring naturally in a biological system. In later use: the… | 1929 | Go To Quotation |
| biocentric | Originally: centring in life; regarding or treating life in general (rather than just… | 1899 | Go To Quotation |
| biogenesis | The origination of living organisms from other living organisms, rather than from… | 1870 | Go To Quotation |
| biogenist | A person who supports a biogenetic theory of the origin of living forms. Opposed to abiogenist n. | 1870 | Go To Quotation |
| biostratigraphy | A branch of stratigraphy that uses the presence of fossils in the dating and ordering… | 1921 | Go To Quotation |
| bolometer | An electrical instrument of great sensitiveness for measuring radiant heat. | 1881 | Go To Quotation |
| Boskop | In attrib. use with man, race, etc.: of or belonging to the early type of man indicated… | 1915 | Go To Quotation |
| branchiostomous | Having the gills in connection with the mouth. | 1881 | Go To Quotation |
| calanoid | (Designating) a copepod of the order or suborder Calanoida… | 1957 | Go To Quotation |
| calcescence | Earlier term for calorescence n. | 1881 | Go To Quotation |
| carferal | (See quots.). | 1881 | Go To Quotation |
| catadromous | Bot. (See quot. 1881.) | 1881 | Go To Quotation |
| catalyse | trans. To increase the rate of (a reaction or process) by catalytic action; to produce by means of catalysis. Also fig. | 1890 | Go To Quotation |
| catalyst | A substance which when present in small amounts increases the rate of a chemical… | 1902 | Go To Quotation |
| causticize | trans. To render caustic. | 1881 | Go To Quotation |
| cebocephalic | Monkey-headed. | 1881 | Go To Quotation |
| chalcolithic | Of or pertaining to a period of culture characterized by the concurrent use of stone and bronze implements. (Cf. eneolithic adj.) | 1902 | Go To Quotation |
| characin | A camphorous substance found in Characeæ and other algoid plants. | 1880 | Go To Quotation |
| chemisorb | trans. To adsorb (a molecule, substance, etc.) by chemisorption. Also intr.: to undergo chemisorption. Cf. physisorb v. | 1935 | Go To Quotation |
| chlorolabe | A green-sensitive pigment present in the cones of the retina. Cf. cyanolabe n., erythrolabe n. | 1958 | Go To Quotation |
| citrate | trans. To treat with a citrate, esp. with sodium citrate. | 1946 | Go To Quotation |
| citrin | A water-soluble flavonoid found in citrus fruits, formerly considered to be a source of vitamin P. | 1936 | Go To Quotation |
| clade | A group of organisms that have evolved from a common ancestor. | 1957 | Go To Quotation |
| classificational | Of or relating to classification; classificatory. | 1875 | Go To Quotation |
| clavatin | = clavacin n. | 1943 | Go To Quotation |
| cline | A graded series of characters or differences in form within a species or other group… | 1938 | Go To Quotation |
| conario- | Combining form of conarium n., conarial adj., as in conario-hypoˈphysial canal… | 1881 | Go To Quotation |
| condensational | Of or belonging to condensation. | 1903 | Go To Quotation |
| conductometry | The study or science of the measurement of conductivity; the process of such measurement. | 1946 | Go To Quotation |
| convolutionary | Of or pertaining to a convolution or convolutions, esp. of the brain. | 1903 | Go To Quotation |
| Coombs test | An agglutination test devised by R. R. A. Coombs in 1945 and used in the diagnosis of blood diseases to detect antibodies. | 1950 | Go To Quotation |
| corallin | A red colouring matter, called also Pæonin, obtained in 1861 by treating phenol with… | 1873 | Go To Quotation |
| corolliferous | Bearing a corolla; corollate. | 1882 | Go To Quotation |
| coronavirus | Any member of the genus Coronavirus of enveloped, single-stranded RNA viruses which… | 1968 | Go To Quotation |
| corticoid | Any of the steroids isolated from the adrenal cortex. Also attrib. | 1941 | Go To Quotation |
| cryoscope | An instrument used in cryoscopy, esp. to determine the amount of water in milk. | 1881 | Go To Quotation |
| cryoscopic | Of or relating to cryoscopy; involving use of a cryoscope. | 1885 | Go To Quotation |
| cryptomere | A genetic factor which is present but not expressed in the phenotype unless activated by another factor; a latent genetic factor. | 1906 | Go To Quotation |
| cryptovolcanic | Of a phenomenon or structure (esp. a crater): apparently volcanic but occurring or formed… | 1910 | Go To Quotation |
| cubicity | The quality of being cubic. | 1881 | Go To Quotation |
| cupressineous | Of or belonging to the Cypress tribe, Cupressineæ, of the family Coniferæ. | 1881 | Go To Quotation |
| curie | Orig., a quantity of radon (radon 222, radium emanation) in radioactive equilibrium with… | 1910 | Go To Quotation |
| deflocculation | The process by which floccules present in a liquid break up into fine particles… | 1904 | Go To Quotation |
| deformational | Of or pertaining to deformation. | 1903 | Go To Quotation |
| deionizer | An apparatus for removing the ions from water or other liquids. | 1956 | Go To Quotation |
| demersal | Of the eggs of fishes: sinking to the bottom of the sea, deposited at or near the bottom. Of fish, etc.: living near the bottom. | 1889 | Go To Quotation |
| demographer | One versed in demography. | 1881 | Go To Quotation |
| demyelination | The removal or destruction of the myelin of nerve tissue. | 1934 | Go To Quotation |
| denatant | Of fishes: swimming with the current. | 1915 | Go To Quotation |
| deproteinize | trans. To remove protein from, usu. as a purification measure in a process of chemical isolation. | 1956 | Go To Quotation |
| desertic | Characteristic of a desert. Also fig. | 1936 | Go To Quotation |
| deuterated | Containing deuterium; having had an atom of ordinary hydrogen replaced by one of heavy hydrogen (deuterium). | 1947 | Go To Quotation |
| diaheliotropic | Growing or moving transversely to the direction of incident light; of or pertaining to diaheliotropism. | 1880 | Go To Quotation |
| diascope | A magic lantern or projector by which the image on a transparent slide or the like is… | 1937 | Go To Quotation |
| diastatic | Pertaining to or of the nature of diastase. | 1881 | Go To Quotation |
| dicarbo- | before a vowel dicarb-. Chem. In compounds: Containing two atoms or equivalents of carbon. | 1881 | Go To Quotation |
| dicentric | Of a chromosome or chromatid: having two centromeres. Hence as n., a dicentric chromosome or chromatid. | 1937 | Go To Quotation |
| dictyotene | The dictyate stage of meiosis in oocytes; = dictyate n. Freq. attrib. | 1957 | Go To Quotation |
| digoneutic | Producing two broods in a year; double-brooded. | 1889 | Go To Quotation |
| dimercaprol | = B.A.L. n. at B n. 1. | 1945 | Go To Quotation |
| diœcy | = diœcism n. | 1944 | Go To Quotation |
| diphyletic | Having two lines of descent; supposedly derived from two distinct sets of ancestors; also… | 1902 | Go To Quotation |
| dipterology | | 1881 | Go To Quotation |
| dislevelment | The condition of not being levelled; deviation from the level. | 1883 | Go To Quotation |
| dismutase | Any enzyme that catalyses a dismutation reaction. Chiefly in Comb., esp. superoxide dismutase… | 1937 | Go To Quotation |
| dosimeter | An apparatus for measuring doses or the like; spec. a recording device to… | 1881 | Go To Quotation |
| dreikanter | An angular, faceted pebble the surface of which has been cut by wind-blown sand; esp. one with three facets. | 1903 | Go To Quotation |
| dubu | In full dubu-house. In eastern Melanesia, a men's house or communal dwelling. | 1917 | Go To Quotation |
| dynamicist | One who studies dynamics. | 1956 | Go To Quotation |
| ebullioscopic | Of or pertaining to the ebullioscope or ebullioscopy. | 1902 | Go To Quotation |
| echinology | The study of Echinoids. | 1881 | Go To Quotation |
| ecologist | An expert in or student of ecology. | 1893 | Go To Quotation |
| ecotoxicological | Of, relating to, or designating the nature, effects, and interactions of substances… | 1973 | Go To Quotation |
| ecotoxicology | The toxicology of substances that are harmful to the environment. | 1977 | Go To Quotation |
| Ediacara | attrib. Designating or relating to an association of soft-bodied marine organisms of… | 1959 | Go To Quotation |
| effluve | The diffusion of electricity from an electrified body by radiation or atmospheric conduction. | 1881 | Go To Quotation |
| elastician | One who is conversant with the science of elasticity. | 1885 | Go To Quotation |
| emended | Freed from faults, improved, corrected. | 1882 | Go To Quotation |
| enol | Any organic compound that contains the unsaturated alcoholic group ·CH:C(OH)· and is… | 1937 | Go To Quotation |
| epidemicity | The quality of being epidemic. | 1880 | Go To Quotation |
| epidiascope | A magic lantern made to project images of both opaque and transparent objects. | 1903 | Go To Quotation |
| ergosome | (See quots.) | 1963 | Go To Quotation |
| erythrolabe | A red-sensitive pigment present in the cones of the retina. Cf. chlorolabe n., cyanolabe n. | 1958 | Go To Quotation |
| ethnocentred | Reflecting the interests or perspective of a particular ethnic group or of ethnic groups in general. | 1982 | Go To Quotation |
| euphenics | A practice analogous to eugenics in which physical improvement of man is sought… | 1963 | Go To Quotation |
| euthutropic | | 1881 | Go To Quotation |
| excimer | An exciplex; spec. one formed from two identical atoms or molecules. | 1960 | Go To Quotation |
| ex-focal | Not passing through the focus. | 1881 | Go To Quotation |
| existibility | The quality of being existible; capability of existing. | 1888 | Go To Quotation |
| exon | A section of a DNA or RNA molecule that codes for a protein, in cases where such… | 1978 | Go To Quotation |
| exotospore | = sporozoite n. at sporo- comb._form Affix. | 1902 | Go To Quotation |
| extensionally | By way of extension. | 1903 | Go To Quotation |
| faunistic | Of or pertaining to a faunist; hence, relating to a fauna. faunistic position n. the place… | 1881 | Go To Quotation |
| faunological | Of or pertaining to faunology. | 1884 | Go To Quotation |
| fibrescope | A fibre-optic device used to view inaccessible internal structure, esp. in medicine to examine passages in the body. | 1954 | Go To Quotation |
| flocculency | = flocculence n. | 1881 | Go To Quotation |
| florencite | A basic phosphate of cerium (and sometimes other rare earths) and aluminium. | 1899 | Go To Quotation |
| focimetry | Measurement of focal distance. | 1881 | Go To Quotation |
| formant | Phonetics. The characteristic pitch of a vowel-sound; spec. one of several characteristic… | 1901 | Go To Quotation |
| fusidic | a steroid, C 31 H 48 O 6, with antibiotic properties, orig. isolated from a strain of… | 1962 | Go To Quotation |
| gal | A unit used in expressing the value of the acceleration due to gravity and equal to one centimetre per second per second. | 1914 | Go To Quotation |
| gametoid | Marcus Hartog's name for: a multinucleate (coenocytic) gametangium occurring in… | 1891 | Go To Quotation |
| gauss | The electromagnetic unit of magnetic induction (flux density) in the C.G.S. system, defined… | 1882 | Go To Quotation |
| geochemical | Of or relating to geochemistry; of or relating to the natural chemical composition and processes of the earth. | 1882 | Go To Quotation |
| geomagnetician | = geomagnetist n. | 1895 | Go To Quotation |
| geotechnic | Of or relating to the application of technology to the utilization of the earth (geotechnics). | 1879 | Go To Quotation |
| glaciologist | = glacialist n. a. | 1886 | Go To Quotation |
| gnathopodite | ‘One of those limbs which, in crustaceans, have been modified into accessory organs of mastication’ (Ogilvie 1882). | 1800 | Go To Quotation |
| grantsmanship | Adroitness in obtaining grants to support academic (esp. scientific) research. | 1973 | Go To Quotation |
| gymnemic | an impure substance which is obtained from the leaves of Gymnema sylvestre and is believed… | 1887 | Go To Quotation |
| hassium | A radioactive transuranic chemical element, atomic number 108, produced artificially. Symbol Hs. | 1992 | Go To Quotation |
| heliogram | A message transmitted by a heliograph (see heliograph n. 4). | 1881 | Go To Quotation |
| helioseismological | Of or relating to helioseismology. | 1983 | Go To Quotation |
| heterogenist | An upholder of the hypothesis of heterogeny or spontaneous generation. | 1870 | Go To Quotation |
| heteroplastide | An organism composed of tissues of different kinds, as most animals and plants: opp. to homoplastide. | 1889 | Go To Quotation |
| hologenesis | The name of a theory of evolution first propounded by D. Rosa (in Ologenesi (1918))… | 1931 | Go To Quotation |
| homeobox | A distinctive highly conserved DNA sequence of about 180 base pairs which is present… | 1984 | Go To Quotation |
| homodimer | A dimer formed from two identical monomers. | 1975 | Go To Quotation |
| Homo habilis | An extinct hominid that is the earliest and most primitive known member of the… | 1964 | Go To Quotation |
| homologic | = homological adj. | 1880 | Go To Quotation |
| homoplastide | An organism consisting of a number of cells all of the same kind. Opp. to heteroplastide and monoplastide. | 1889 | Go To Quotation |
| huttonite | A silicate of thorium, ThSiO 4, that occurs as colourless or very pale cream monoclinic crystals. | 1950 | Go To Quotation |
| hydraulician | One versed in hydraulics; a hydraulic engineer. | 1882 | Go To Quotation |
| hydrotropism | The property, exhibited by the growing parts (esp. the roots) of plants, of bending… | 1882 | Go To Quotation |
| hyperphoric | (See quot. 1889.) | 1889 | Go To Quotation |
| hypertensin | Either of two polypeptides, of which one (hypertensin I) is formed in the blood by the… | 1939 | Go To Quotation |
| hypoglycin | Either of two related toxins occurring naturally in the unripe fruit of the ackee, Blighia sapida… | 1954 | Go To Quotation |
| illinium | A disused name for the element now called promethium n. | 1926 | Go To Quotation |
| impaludism | ‘The general morbid state, with predisposition to intermittent fevers and enlargement… | 1881 | Go To Quotation |
| implementiferous | Containing (stone) implements used by early man. | 1881 | Go To Quotation |
| in-circle | An inscribed circle. | 1883 | Go To Quotation |
| inducibility | The property or state of being inducible; spec. in Biochem. (see inducible adj. 1c). | 1953 | Go To Quotation |
| infra-red | Lying beyond the red end of the visible spectrum: the epithet of electromagnetic radiation… | 1881 | Go To Quotation |
| interionic | Existing or occurring between ions. | 1903 | Go To Quotation |
| interspecific | Existing or prevailing between different species. Also, formed or obtained from (individuals of) different species. | 1889 | Go To Quotation |
| intratelluric | Occurring, taking place, or formed in the interior of the earth; hypogene; intratelluric period… | 1889 | Go To Quotation |
| intron | A segment of an RNA molecule which is excised during or soon after its transcription from… | 1978 | Go To Quotation |
| intussusceptive | Characterized by or of the nature of intussusception. | 1882 | Go To Quotation |
| ionosphere | A region of the outer atmosphere of the earth, beginning at a height of 50–80 km.… | 1926 | Go To Quotation |
| irreciprocal | Not reciprocal. | 1886 | Go To Quotation |
| irreciprocity | Absence of reciprocity. | 1886 | Go To Quotation |
| isogamy | The union of two equal and similar ‘gametes’ or cells in reproduction, as in conjugation. | 1891 | Go To Quotation |
| isotopic | Of, pertaining to, or being an isotope or isotopes of an element; isotopic number, the… | 1913 | Go To Quotation |
| jasperize | trans. To convert by petrifaction into jasper, or into a form of silica resembling jasper. | 1887 | Go To Quotation |
| javanicin | A red, crystalline, bicyclic compound, C 15 H 14 O 6, isolated from the fungus Fusarium javanicum… | 1946 | Go To Quotation |
| jequirity | A woody twining shrub, Abrus precatorius or Indian liquorice, indigenous to India, but now… | 1882 | Go To Quotation |
| kefir | An effervescent liquor resembling koumiss, prepared from milk which has been… | 1884 | Go To Quotation |
| Kenyanthropus | An extinct hominid, Kenyanthropus platyops, known from Pliocene fossil remains found… | 2001 | Go To Quotation |
| kilchoanite | A colourless, orthorhombic polymorph of a calcium silicate, Ca 3 Si 2 O 7, of which rankinite is another polymorph. | 1961 | Go To Quotation |
| kipperer | One who kippers herrings. | 1902 | Go To Quotation |
| koji | An enzyme preparation derived from various moulds, esp. Aspergillus oryzæ and… | 1878 | Go To Quotation |
| koutekite | An arsenide of copper, Cu 5 As 2, found as bluish-grey microscopic grains with a metallic lustre. | 1958 | Go To Quotation |
| K(-)particle | = kaon n. | 1949 | Go To Quotation |
| laddertron | A device used to carry charge to the terminals of some electrostatic accelerators, consisting… | 1972 | Go To Quotation |
| laminaran | A polysaccharide that consists chiefly of glucose residues and occurs in seaweeds of the genus Laminaria and other brown algae. | 1961 | Go To Quotation |
| langley | A unit of solar energy per unit area, equal to one gramme-calorie per… | 1947 | Go To Quotation |
| lanthanate | = lanthanide n. | 1946 | Go To Quotation |
| lemurian | (With capital initial.) Of or pertaining to Lemuria n. | 1871 | Go To Quotation |
| lengenbachite | A sulphide of silver, copper, lead, and arsenic, (Ag,Cu) 2 Pb 6 As 4 S 13, occurring as steel-grey blade-shaped crystals. | 1904 | Go To Quotation |
| linguatulid | A parasitic worm-like arthropod of the genus Linguatula, the adult form of which attacks… | 1923 | Go To Quotation |
| lipotropic | Tending to prevent or remove an accumulation of excess fat in the liver. | 1935 | Go To Quotation |
| locustarian | An insect of the group Locustariæ (in Latreille's classification) of green grasshoppers, katydids, etc. | 1895 | Go To Quotation |
| long-running | Continuing for a relatively long period of time; spec. of a play: having a large number of consecutive performances. | 1956 | Go To Quotation |
| lorisid | A member of the family Lorisidæ, which includes lorises, pottos, and, in certain classifications, galagos. | 1969 | Go To Quotation |
| lumisterol | A steroid alcohol, C 28 H 44 O, which is a stereo-isomer of ergosterol and occurs… | 1932 | Go To Quotation |
| MACHO | A relatively dark, dense object, such as a brown dwarf, a low-mass star, or a black hole… | 1990 | Go To Quotation |
| macroalga | A macroscopic alga. | 1976 | Go To Quotation |
| macrocycle | A macrocyclic ring, molecule, or compound. | 1956 | Go To Quotation |
| madreporarian | Of, relating to, or designating a true or stony coral (order Scleractinia). | 1870 | Go To Quotation |
| magnetizability | Capacity for being magnetized. | 1879 | Go To Quotation |
| magnolioid | Of, relating to, or characteristic of the subclass Magnoliidae of dicotyledonous plants or its order Magnoliales. | 1972 | Go To Quotation |
| Makalian | Of, relating to, or designating an East African pluvial period of the Pleistocene… | 1929 | Go To Quotation |
| manometrically | In a manometric way; by means of a manometer. | 1899 | Go To Quotation |
| mar-fire | Phosphorescence on the sea. Cf. mareel n. | 1881 | Go To Quotation |
| marmarization | = marmorization n. | 1971 | Go To Quotation |
| marrite | A sulphide and arsenide of lead and silver, PbAgAsS 3, which is found as grey… | 1904 | Go To Quotation |
| matriheritage | A matriherital system of inheritance. | 1886 | Go To Quotation |
| maturase | Any of a class of enzymes encoded by open reading frames within introns, which are… | 1980 | Go To Quotation |
| Maunder minimum | A period of extremely low solar activity and a near absence of sunspots; spec. (hist.)… | 1975 | Go To Quotation |
| Maxim | attrib. Designating a recoil-operated machine-gun, having an outer casing around the… | 1885 | Go To Quotation |
| megagamete | The larger (usually female) gamete in an organism in which the male and female gametes are unequal in size; a macrogamete. | 1891 | Go To Quotation |
| megatherm | A plant (or other organism) requiring a very warm environment. Cf. megistotherm n. | 1874 | Go To Quotation |
| megavoltage | Voltage exceeding one million volts, spec. as used in the generation of… | 1955 | Go To Quotation |
| megistotherm | A plant requiring a very hot environment. Cf. megatherm n. | 1874 | Go To Quotation |
| melanochroic | Relating to or resembling the Melanochroi. | 1870 | Go To Quotation |
| mensurational | Concerned with measurement. | 1880 | Go To Quotation |
| merisis | Growth of a plant which is due to an increase in the number of cells rather than to cell expansion. | 1940 | Go To Quotation |
| merogonic | Of, relating to, or produced by merogony (in either sense). | 1899 | Go To Quotation |
| merohedrism | The state or property of being merohedral. | 1878 | Go To Quotation |
| mesonic | = mesic adj. | 1939 | Go To Quotation |
| mesoplastral | Designating a bone which forms the mesoplastron (of a turtle). | 1889 | Go To Quotation |
| mesoseismal | Relating to or designating the region near the epicentre of an earthquake. | 1883 | Go To Quotation |
| mesotherm | A plant (or other organism) requiring a moderately warm environment. | 1874 | Go To Quotation |
| mesotron | A meson (in the original sense: see meson n.); spec. = mu-meson n. | 1938 | Go To Quotation |
| metabolizer | An individual or organism that metabolizes a particular substance. | 1970 | Go To Quotation |
| metallogeny | The formation of mineral deposits, esp. as related to petrographic and tectonic… | 1905 | Go To Quotation |
| methaemoglobin | Any form of haemoglobin in which the iron of the haem groups is in the ferric (Fe 3+)… | 1870 | Go To Quotation |
| methylmalonyl | The acyl group derived from methylmalonic acid; esp. in methylmalonyl coenzyme A, methylmalonyl CoA… | 1955 | Go To Quotation |
| metronym | A metronymic name. | 1904 | Go To Quotation |
| microcrystallinity | The property or state of being microcrystalline. | 1946 | Go To Quotation |
| microfibril | Any of various submicroscopic fibrils found in biological material; esp. each of a… | 1938 | Go To Quotation |
| microperthitic | Having the structure characteristic of microperthite. | 1888 | Go To Quotation |
| microprobe | trans. To examine using a microprobe. | 1973 | Go To Quotation |
| microseismically | As regards microseismic activity. | 1975 | Go To Quotation |
| microtherm | A plant (or other organism) that can grow or survive in a cold environment. | 1874 | Go To Quotation |
| miersite | A tetrahedral iodide of silver and copper, (Ag,Cu)I (with the ratio of silver… | 1898 | Go To Quotation |
| mimetism | Biol. = mimesis n. 2. | 1870 | Go To Quotation |
| miniaturing | The action of miniature v.; painting in miniature; collecting miniatures. | 1881 | Go To Quotation |
| minisatellite | Any segment of DNA consisting of a short sequence of nucleotides (typically 10 to 60… | 1985 | Go To Quotation |
| miogeoclinal | = miogeosynclinal adj. | 1971 | Go To Quotation |
| miraculin | A glycoprotein found in the berry of the West African shrub Synsepalum dulcificum… | 1968 | Go To Quotation |
| molassed | Esp. of animal feed: containing added molasses. | 1941 | Go To Quotation |
| molybdoprotein | A protein that contains molybdenum. | 1971 | Go To Quotation |
| monerula | Haeckel's name for: an ovum with an indistinguishable nucleus (immediately after fertilization). | 1876 | Go To Quotation |
| monobromized | = monobrominated adj. | 1889 | Go To Quotation |
| monocephalic | Having a single head. Also fig. and in extended use. | 1870 | Go To Quotation |
| monodont | = homodont n. Obs. | 1870 | Go To Quotation |
| Monoplacophora | A class of mainly extinct univalved marine molluscs with a limpet-shaped shell… | 1957 | Go To Quotation |
| monosubstitution | Substitution affecting only one of the atoms or positions in a molecular structure. | 1881 | Go To Quotation |
| morphinism | Addiction to or dependence on morphine or opium. | 1882 | Go To Quotation |
| morphotropism | = morphotropy n. | 1870 | Go To Quotation |
| mucolipid | A sphingolipid which contains neuraminic acid (or a derivative of neuraminic acid). | 1956 | Go To Quotation |
| mu-meson | = muon n. | 1947 | Go To Quotation |
| muscarine | A quaternary ammonium base, C 9 H 21 NO 3, found in the fly agaric (Amanita muscaria)… | 1869 | Go To Quotation |
| muscarinically | In the manner of muscarine; by means of muscarine or muscarinic receptors. | 1971 | Go To Quotation |
| mutational | Of or relating to mutation. | 1904 | Go To Quotation |
| mycobiont | The fungal component of a lichen; a lichenized fungus. Cf. phycobiont n. | 1957 | Go To Quotation |
| mylonite | A schist, esp. a banded one, resulting from the grinding or crushing of rocks. | 1885 | Go To Quotation |
| mylonized | = mylonitized adj. | 1901 | Go To Quotation |
| myoball | A spheroidal syncytium produced in tissue culture from myoblasts or muscle cells. | 1976 | Go To Quotation |
| myrmecological | Of or relating to myrmecology or the study of ants. | 1886 | Go To Quotation |
| myxococcal | Of, relating to, or characteristic of myxobacteria, esp. those of the genus Myxococcus or family Myxococcidae. | 1946 | Go To Quotation |
| myxovirus | (In form Myxovirus) a group of viruses including the influenza viruses and other… | 1954 | Go To Quotation |
| myxoxanthin | A carotenoid pigment found in cyanobacteria (blue-green algae), now identified as 4-oxo-β-carotene (echinenone). | 1935 | Go To Quotation |
| nadorite | An orthorhombic oxychloride of antimony and lead, PbSbO 2 Cl, usually occurring as brown to yellow tabular or prismatic crystals. | 1870 | Go To Quotation |
| nahcolite | Native sodium bicarbonate, which crystallizes in the monoclinic system and occurs as colourless or white prismatic crystals. | 1928 | Go To Quotation |
| Nakuran | An East African pluvial period of the Pleistocene epoch, which followed the Makalian pluvial. Also with the. | 1929 | Go To Quotation |
| neo-Darwinian | = neo-Darwinist adj. | 1888 | Go To Quotation |
| neomorphism | Biol. The evolutionary process that gives rise to a new anatomical structure or… | 1888 | Go To Quotation |
| neontologist | An expert in or student of neontology. Often contrasted with palaeontologist. | 1889 | Go To Quotation |
| Neopilina | A genus of primitive deep-sea univalve molluscs belonging to the class Monoplacophora; (also) a mollusc of this genus. | 1957 | Go To Quotation |
| neotenia | = neoteny n. | 1896 | Go To Quotation |
| neutretto | A neutral pion. disused. | 1938 | Go To Quotation |
| nitrogenic | Involving or containing nitrogen. | 1889 | Go To Quotation |
| nocturne | intr. Of certain shrimps: to adopt the coloration of a nocturne (nocturne n. 3). | 1900 | Go To Quotation |
| notatin | The enzyme glucose oxidase, a flavoprotein which catalyses the oxidation of… | 1942 | Go To Quotation |
| nucleoplasm | The substance of a cell nucleus, esp. that not forming part of a nucleolus; karyoplasm. | 1882 | Go To Quotation |
| nycthemeral | Designating or characterized by a variation that occurs in a period of twenty-four… | 1907 | Go To Quotation |
| obdiplostemonous | Diplostemonous with the disposition of the two stamen-whorls reversed; having the stamens… | 1882 | Go To Quotation |
| odograph | A device for automatically recording the course of a vehicle. Also (in early use)… | 1879 | Go To Quotation |
| oestrane | A saturated tetracyclic steroid hydrocarbon, C 18 H 30, which is the parent compound of the naturally occurring oestrogens. | 1933 | Go To Quotation |
| oestrone | An oestrogenic hormone less potent than oestradiol, produced by the ovaries… | 1933 | Go To Quotation |
| oligo | = oligonucleotide n. | 1978 | Go To Quotation |
| oligomerize | trans. To form an oligomer of (a monomer); to make (a monomer) oligomeric. | 1967 | Go To Quotation |
| ontogenal | = ontogenetic adj. | 1890 | Go To Quotation |
| ophitic | Characterized by or designating a rock structure in which crystals of feldspar are interposed between plates of augite. | 1870 | Go To Quotation |
| optimal | Best, most favourable, esp. under a particular set of circumstances; = optimum adj. | 1890 | Go To Quotation |
| organification | Incorporation of a chemical element into an organic compound; spec. incorporation of iodine into a thyroid hormone. | 1937 | Go To Quotation |
| orthogenesis | Evolutionary change proceeding consistently in one direction, esp. as supposedly produced… | 1895 | Go To Quotation |
| orthosymmetrical | Crystallogr. Symmetrical about perpendicular axes; = orthosymmetric adj. 2. Obs. | 1880 | Go To Quotation |
| oscillatoriaceous | Belonging to the family Oscillatoriaceae of cyanobacteria (blue-green algae), typified by the genus Oscillatoria. | 1881 | Go To Quotation |
| osteodermal | Having bony plates or spicules in the skin; designating or consisting of osteoderms. | 1881 | Go To Quotation |
| outscour | The action of scouring out a channel. | 1883 | Go To Quotation |
| ovogenous | Contributing to the formation or development of an ovum; ovogenetic. | 1890 | Go To Quotation |
| oxycellulose | Any of various substances obtained by the oxidation of cellulose, some of which are used in medical gauze and lint. | 1882 | Go To Quotation |
| pachycephalosaur | = pachycephalosaurid n. | 1971 | Go To Quotation |
| palaeoceanographical | = palaeoceanographic adj. | 1971 | Go To Quotation |
| palaeoequatorial | Of or relating to the palaeoequator. | 1966 | Go To Quotation |
| palaeoethnological | Of or relating to palaeoethnology. | 1869 | Go To Quotation |
| palaeogeotherm | A palaeogeothermal gradient. | 1975 | Go To Quotation |
| palaeoichthyological | Of or relating to palaeoichthyology. | 1880 | Go To Quotation |
| palaeoniscid | Of, relating to, or characteristic of the family Palaeoniscidae of extinct… | 1881 | Go To Quotation |
| pallasitic | Of the nature of a pallasite; of or relating to pallasites. | 1956 | Go To Quotation |
| palmarosa | A form or variety of the fragrant South-East Asian grass Cymbopogon martinii, which… | 1870 | Go To Quotation |
| panselectionism | The theory or belief that natural selection is the chief driving force in evolution at… | 1971 | Go To Quotation |
| panspermatist | = panspermist n. | 1870 | Go To Quotation |
| paraheliotropism | A type of tropism in which a plant's leaves move to reduce injuriously… | 1881 | Go To Quotation |
| paratacamite | A green to greenish-black mineral of the hexagonal system that consists of a basic… | 1905 | Go To Quotation |
| parhelic | Of, relating to, or resembling a parhelion. Chiefly in parhelic circle n. a band of… | 1886 | Go To Quotation |
| parhomologous | Exhibiting parhomology. | 1888 | Go To Quotation |
| parhomology | An apparent similarity of structure, esp. between parts of successive metameres of an organism. | 1888 | Go To Quotation |
| Pasteur | a glass flask with an elongated neck bent downwards to reduce the entry of microorganisms from the air. Now rare. | 1869 | Go To Quotation |
| pasteurellosis | Disease caused by bacteria of the genus Pasteurella; an instance or type of this. | 1902 | Go To Quotation |
| peer review | trans. To subject to, or evaluate by, peer review; to referee (a paper). Usu. in pass. | 1975 | Go To Quotation |
| penicillamine | A crystalline, sulphur-containing amino acid produced by the hydrolysis of… | 1943 | Go To Quotation |
| pentapedal | Five-legged; spec. designating a method of locomotion used by kangaroos and wallabies… | 1973 | Go To Quotation |
| perennation | Continued survival of a plant or plant part through one or more winters or dry seasons. Also fig. | 1888 | Go To Quotation |
| periscopism | The capacity of seeing all round, or over a wide field of vision, without moving the… | 1877 | Go To Quotation |
| perradial | Relating to or situated on the primary rays or axes in certain coelenterates and ctenophores; primarily radial. | 1880 | Go To Quotation |
| perradius | Each of the primary rays or axes in certain coelenterates and ctenophores. | 1880 | Go To Quotation |
| petrichor | A pleasant, distinctive smell frequently accompanying the first rain after a long period… | 1964 | Go To Quotation |
| phaeodella | Each of the dark pigmented granules comprising the phaeodia of phaeodarian radiolarians. | 1880 | Go To Quotation |
| phaeodium | The dark mass surrounding the largest pore in the central capsule of a phaeodarian radiolarian, consisting of pigmented granules. | 1880 | Go To Quotation |
| phagocytism | = phagocytosis n. | 1888 | Go To Quotation |
| pharate | Of or designating an instar of an insect which is confined within the cuticle of the previous instar. | 1946 | Go To Quotation |
| phenologist | A student of or expert in phenology. | 1888 | Go To Quotation |
| pheromone | A chemical which is secreted and released into the environment (typically in minute amounts)… | 1959 | Go To Quotation |
| phonophore | Teleph. = phonopore n. Obs. | 1886 | Go To Quotation |
| photoelectricity | Electricity produced by the incidence of light; photoelectric properties or phenomena.… | 1877 | Go To Quotation |
| photoemitted | Of an electron: emitted under the action of incident light. | 1970 | Go To Quotation |
| photogrammeter | A camera combined with a theodolite. Now rare. | 1891 | Go To Quotation |
| phycobiont | The algal component of a lichen; any alga which is associated with a fungus to form… | 1957 | Go To Quotation |
| phyllitic | Consisting of or having the character of phyllite (phyllite n. 3). | 1888 | Go To Quotation |
| phyllorhine | Of a bat: having a leaflike appendage on the snout; leaf-nosed; spec. belonging to… | 1876 | Go To Quotation |
| phylogenal | = phylogenetic adj. | 1890 | Go To Quotation |
| physeteroid | A member of the superfamily Physeteroidea, which includes the sperm whale, the pygmy… | 1876 | Go To Quotation |
| physiotype | = nature-printing n. Also: an image obtained by this process. | 1870 | Go To Quotation |
| physogastrism | = physogastry n. | 1903 | Go To Quotation |
| phytoalexin | A substance that is produced by plant tissues in response to contact with a… | 1949 | Go To Quotation |
| phytogenetically | As regards the evolution or genetics of plants. | 1881 | Go To Quotation |
| picogram | One million-millionth of a gram. Abbreviated pg. | 1951 | Go To Quotation |
| pi-meson | = pion n. Cf. mu-meson n. | 1947 | Go To Quotation |
| pisatin | A crystalline heterocyclic carbohydrate, C 17 H 14 O 6, produced by the pea plant as a fungitoxic phytoalexin. | 1960 | Go To Quotation |
| planigram | Math. In a system of joined pivoted rods: a point in a notional plane attached to one of… | 1875 | Go To Quotation |
| planigraph | Math. In a system of joined pivoted rods: a curve traced out by a point in a… | 1875 | Go To Quotation |
| plasmaneme | = filopodium n. | 1969 | Go To Quotation |
| plastid | Biol. A unit of protoplasm, a cell. Obs. | 1871 | Go To Quotation |
| plastocyanin | A blue copper-containing protein (differing slightly from species to species) which is… | 1961 | Go To Quotation |
| plate-tectonicist | An expert in or student of plate tectonics; an advocate of the plate-tectonic theory. | 1973 | Go To Quotation |
| pleomorphic | Microbiol. and Pathol. Having more than one morphological form, esp. at different stages… | 1886 | Go To Quotation |
| pleuroperitoneal | Enclosed by the pleuroperitoneum; of or relating to the pleuroperitoneum. Also: of… | 1870 | Go To Quotation |
| pluvioscope | A kind of instrument to measure rainfall; a pluviometer. | 1887 | Go To Quotation |
| poikilothermal | = poikilothermic adj. | 1877 | Go To Quotation |
| pollenless | Lacking pollen. | 1882 | Go To Quotation |
| polycentric | Chiefly Science. Having several or many centres. Cf. monocentric adj. 1a. | 1887 | Go To Quotation |
| polyribonucleotide | A polymer in which the constituent monomer is a ribonucleotide (as in RNA). | 1956 | Go To Quotation |
| porphyropsin | Any of a class of light-sensitive pigments found in the retinas of… | 1937 | Go To Quotation |
| potometer | An instrument for measuring the rate at which a plant absorbs water. | 1884 | Go To Quotation |
| predissociation | The passage of a molecule between a quantized vibrational and rotational state (above… | 1924 | Go To Quotation |
| prehominid | An anthropoid primate that is considered to be an evolutionary ancestor or early representative of the hominids. | 1939 | Go To Quotation |
| prelumirhodopsin | = bathorhodopsin n. | 1963 | Go To Quotation |
| priscan | Ancient, primitive. | 1870 | Go To Quotation |
| pro-angiosperm | A hypothetical primitive or ancestral angiosperm. | 1886 | Go To Quotation |
| procellose | A trisaccharide sugar which is a trimer of glucose and is obtained by partial hydrolysis of cellulose. | 1923 | Go To Quotation |
| progamic | Existing or occurring prior to the formation of gametes. Now rare. | 1891 | Go To Quotation |
| progesterone | A steroid hormone produced by the corpus luteum and the placenta (or made synthetically)… | 1935 | Go To Quotation |
| promorph | A primitive or fundamental form. | 1889 | Go To Quotation |
| propriospinal | Belonging exclusively or especially to the spinal cord; spec. designating, relating… | 1904 | Go To Quotation |
| proteasome | A complex of proteinases, found in eukaryotic cytoplasm and nuclei and also in… | 1988 | Go To Quotation |
| proteid | A proteinaceous substance, a protein. Also: a protein combined with a sugar, phosphate… | 1870 | Go To Quotation |
| prototherian | Of or relating to the subclass Prototheria of primitive mammals. Cf. Prototheria n. | 1880 | Go To Quotation |
| protuberantial | Of, relating to, or of the nature of a protuberance. | 1880 | Go To Quotation |
| pseudonavicula | = pseudonavicella n. | 1870 | Go To Quotation |
| psittacosaurid | A dinosaur of the family Psittacosauridae, typified by the genus Psittacosaurus. | 1971 | Go To Quotation |
| psychrosphere | The colder, deeper part of the oceans. Contrasted with thermosphere. | 1956 | Go To Quotation |
| puffinosis | An epizootic disease of seabirds caused by a coronavirus, originally observed in the Manx shearwater, Puffinus puffinus. | 1948 | Go To Quotation |
| pupillometry | The measurement of the size of the pupil of the eye. | 1899 | Go To Quotation |
| pyridoxine | One of the three forms of vitamin B 6, a weakly basic, crystalline solid which is important… | 1939 | Go To Quotation |
| radappertization | The treatment of food in a process involving heat treatment and significant doses… | 1964 | Go To Quotation |
| radioactive | Of a substance, object, atomic nucleus, etc.: having an inherent tendency to… | 1898 | Go To Quotation |
| radio-astronomical | Relating to or involving radio astronomy; obtained by means of radio telescopes. | 1949 | Go To Quotation |
| radiobe | An apparently cell-like object seen to form in large numbers in gelatin solutions in… | 1905 | Go To Quotation |
| radiolarian | A protozoan of any of several classes of the phylum (or superclass) Actinopoda… | 1869 | Go To Quotation |
| radiometeorograph | = radiosonde n. | 1932 | Go To Quotation |
| radiophosphorus | A radioactive isotope of phosphorus; spec. phosphorus-32, which decays by beta emission… | 1934 | Go To Quotation |
| radurization | The treatment of food with a mild dose of ionizing radiation so as to enhance… | 1964 | Go To Quotation |
| Raman | the alteration of the frequency of scattered light by an amount characteristic of the… | 1928 | Go To Quotation |
| randomizing | That makes something random or introduces a random element; generating a random output. | 1938 | Go To Quotation |
| recalesce | intr. To exhibit recalescence. | 1887 | Go To Quotation |
| recapitulationist | An adherent of the theory of recapitulation (recapitulation n. 1c). Now hist. | 1897 | Go To Quotation |
| reflectance | The proportion of incident light which a substance or object reflects or scatters; spec.… | 1893 | Go To Quotation |
| respray | trans. To spray again or a further time; esp. to spray (a car) with a new coat of paint. | 1880 | Go To Quotation |
| retentate | Matter that is retained by a semipermeable membrane during dialysis; non-dialysable matter; a substance of this kind. | 1959 | Go To Quotation |
| retinaldehyde | = retinal n. | 1963 | Go To Quotation |
| retinene | = retinal n. | 1934 | Go To Quotation |
| retroposon | = retrotransposon n. | 1983 | Go To Quotation |
| rheogoniometer | In full Weissenberg rheogoniometer. A type of rheometer for measuring the viscosity… | 1946 | Go To Quotation |
| rhodologist | A person who studies roses, esp. from a taxonomic point of view. | 1870 | Go To Quotation |
| salicylize | To treat with salicylic acid in order to prevent fermentation. | 1881 | Go To Quotation |
| schistosity | The direction or line of cleavage in a rock of crystalline formation. | 1885 | Go To Quotation |
| scintilloscope | An instrument in which alpha rays are detected by the flashes of light which are emitted when they strike a fluorescent screen. | 1904 | Go To Quotation |
| secohm | A name proposed for a unit of inductance. | 1887 | Go To Quotation |
| seismometrograph | A seismograph. | 1894 | Go To Quotation |
| sensigenous | Producing sensation. | 1874 | Go To Quotation |
| serendibite | A borosilicate of aluminium, calcium, and magnesium, (Ca,Mg) 5 Al 5 BSi 3 O 20, found… | 1902 | Go To Quotation |
| Skylab | The name of a space laboratory launched into earth orbit by the U.S. in 1973. Freq. attrib.… | 1970 | Go To Quotation |
| soarable | Suitable for soaring flight. | 1922 | Go To Quotation |
| sootless | Free from soot. | 1890 | Go To Quotation |
| spanandry | Lack or extreme scarcity of males in a population. | 1924 | Go To Quotation |
| specie- | combining form of Latin speciēs species n., employed in a few modern terms, as specieˈgraphical… | 1888 | Go To Quotation |
| spectrophotometer | An instrument designed to measure the relative intensity of light (usu. transmitted or… | 1881 | Go To Quotation |
| Spencerism | The philosophy of Herbert Spencer, or views in accordance with this. | 1880 | Go To Quotation |
| speromagnetic | Applied to an amorphous magnetic material in which the individual electron spins are… | 1973 | Go To Quotation |
| spinodal | Being or pertaining to a spinodal; involving a metastable condition described by such a curve. | 1956 | Go To Quotation |
| spongily | In a spongy manner. | 1882 | Go To Quotation |
| squamation | The condition or character of being covered with scales; a special mode or form of this. | 1881 | Go To Quotation |
| stabilate | A sample of biological material from a homogeneous source which is preserved by freezing… | 1965 | Go To Quotation |
| stadic | Pertaining to a stadia. | 1901 | Go To Quotation |
| stasigenesis | A stable phase of evolution, characterized by a lack of significant change over a long period of time. | 1957 | Go To Quotation |
| stationarity | The state of being stationary (in various senses); stationariness; constancy; (Math.)… | 1901 | Go To Quotation |
| stereo | abbreviation of stereoscope n., stereoscopic adj. stereo card n. a card on which are mounted… | 1876 | Go To Quotation |
| stilboestrol | A synthetic derivative, HOC 6 H 4 ·CH:CH·C 6 H 4 OH, of stilbene having… | 1938 | Go To Quotation |
| stillwellite | A borosilicate of lanthanons and calcium, (Ln,Ca)BOSiO 4, found as brown rhombohedral crystals. | 1955 | Go To Quotation |
| stratigrapher | One versed in stratigraphy; one who describes or delineates strata. | 1883 | Go To Quotation |
| stridence | The fact of being strident. | 1890 | Go To Quotation |
| Student | Used attrib. and in the possessive to designate statistical concepts devised by… | 1929 | Go To Quotation |
| subatomic | Occurring in the atom; smaller than the atom. Also: concerned with or involving particles, forces, or phenomena on this scale. | 1874 | Go To Quotation |
| summarizable | Capable of being summarized. | 1970 | Go To Quotation |
| summate | trans. To add together or combine; spec. in Physiol., with reference to nerve impulses, etc. Also intr. and fig. | 1900 | Go To Quotation |
| superimposable | Capable of being superimposed; that may be superimposed (in various senses of the verb). | 1875 | Go To Quotation |
| sylviculture | The cultivation of woods or forests; the growing and tending of trees as a department of forestry. | 1880 | Go To Quotation |
| tarbuttite | A basic zinc phosphate, Zn 2 PO 4 OH, found as faintly coloured or colourless triclinic crystals. | 1907 | Go To Quotation |
| tarsonemid | Of or pertaining to a mite of the family Tarsonemidæ. Also as n. | 1922 | Go To Quotation |
| TATA box | A conserved DNA element which forms part of the promoter (promoter n. 4c) of many eukaryotic genes. Also called Hogness box. | 1980 | Go To Quotation |
| technetium | A dense, silvery grey, radioactive metallic element, atomic number 43, chemically… | 1947 | Go To Quotation |
| teleostome | A fish of the division Teleostomi (Th. Gill 1872), including the teleosts and ganoids… | 1901 | Go To Quotation |
| tentaculocyst | One of the vesicular or cystic tentacles of a hydrozoan, representing a reduced… | 1880 | Go To Quotation |
| teratogenesis | The production of monsters or misshapen organisms. | 1901 | Go To Quotation |
| thecodontian | = thecodont adj. | 1974 | Go To Quotation |
| thermoluminescent | Characterized by or pertaining to thermoluminescence. Also used spec. of a means of… | 1899 | Go To Quotation |
| tokamak | One kind of toroidal apparatus for producing controlled fusion reactions in a… | 1969 | Go To Quotation |
| tolerize | trans. To render immunologically tolerant. | 1973 | Go To Quotation |
| toponium | A bound state of a top quark and a top anti-quark. | 1978 | Go To Quotation |
| toxicity | Toxic or poisonous quality, esp. in relation to its degree or strength. | 1881 | Go To Quotation |
| transamination | The transfer of an amino group from one organic molecule to another, esp. from an amino-acid to a keto-acid. | 1939 | Go To Quotation |
| transcriptomic | Of or relating to transcriptomics or a transcriptome. | 1999 | Go To Quotation |
| transdisciplinary | Of or pertaining to more than one discipline or branch of learning; interdisciplinary. | 1979 | Go To Quotation |
| transferential | Of or pertaining to transference. | 1889 | Go To Quotation |
| transposase | Any enzyme which catalyses or is necessary for transposition. | 1979 | Go To Quotation |
| tribo- | | 1917 | Go To Quotation |
| trichroic | Having or showing three colours; spec. of crystals, exhibiting three different colours when viewed in three different directions. | 1881 | Go To Quotation |
| tritiated | Containing tritium; having had an atom of ordinary hydrogen replaced by tritium. | 1956 | Go To Quotation |
| trochotron | A type of magnetron in which there are a number of anodes at different angular… | 1947 | Go To Quotation |
| trophilegic | Collecting nutriment. | 1898 | Go To Quotation |
| tropolone | A water-soluble, colourless crystalline compound, C 7 H 6 O 2, which is an enolic… | 1945 | Go To Quotation |
| trypanolytic | Tending to, or connected with the destruction of trypanosomes. | 1907 | Go To Quotation |
| trypomastigote | A stage in the life cycle of trypanosomes (see quot. 1966). Cf. trypanosome n. (b) at Trypanosoma n. Derivatives. | 1966 | Go To Quotation |
| tubulin | Either or both of two similar proteins that are the main constituent of microtubules. | 1968 | Go To Quotation |
| tuftsin | A tetrapeptide, present in some gamma-globulins, which stimulates phagocytosis. | 1970 | Go To Quotation |
| type-cast | Formed into type for printing. | 1876 | Go To Quotation |
| ultracentrifuge | trans. To spin in an ultracentrifuge. | 1946 | Go To Quotation |
| undermanning | The fact of furnishing, or being furnished with, too few men or ‘hands’. | 1890 | Go To Quotation |
| unturf | (un- prefix 4.) | 1890 | Go To Quotation |
| uraniid | Of or relating to the family Uraniidae of tropical moths, many of which are large, brightly coloured, and diurnal. | 1897 | Go To Quotation |
| Van Allen | The name of James A. Van Allen (1914 – 2006), U.S. physicist, used attrib. to designate… | 1959 | Go To Quotation |
| viridin | A crystalline antibiotic with antifungal properties, C 20 H 16 O 6, derived from the mould Trichoderma viride. | 1945 | Go To Quotation |
| voidage | Voids collectively; the proportion of a volume occupied by voids. | 1946 | Go To Quotation |
| volumeless | Occupying no volume; spec. applied to an idealized polymer chain having this property. | 1946 | Go To Quotation |
| wash-off | The process or fact of being washed off. | 1979 | Go To Quotation |
| well-attended | Of a meeting: attended by a large number of people. | 1946 | Go To Quotation |
| wetware | Chemical materials organized so as to perform arithmetic or logical operations; brain substance, as having this ability. | 1975 | Go To Quotation |
| xenogeneic | Derived from an individual of a different species. | 1961 | Go To Quotation |
| X-ray | Physics. Electromagnetic radiation of high energy and very short wavelength (between about… | 1896 | Go To Quotation |
| Yukawa | The name of Hideki Yukawa (1907 – 81), Japanese physicist, used attrib. with reference… | 1938 | Go To Quotation |
| zeugmatography | A form of imaging using the principles of nuclear magnetic resonance to obtain and display the structural details of soft tissue. | 1973 | Go To Quotation |
| Zinjanthropus | An extinct robust hominid first known from a fossil skull found by Mary Leakey at… | 1959 | Go To Quotation |
