| acritarch | Any hollow unicellular organic microfossil which is not otherwise categorized or classified. | 1963 | Go To Quotation |
| adenylylated | = adenylated adj. | 1967 | Go To Quotation |
| adenylylating | = adenylating adj. | 1967 | Go To Quotation |
| adenylylation | = adenylation n. | 1967 | Go To Quotation |
| aerotolerant | Of an anaerobic microorganism: not killed by oxygen; able to grow slowly in the presence of oxygen. | 1971 | Go To Quotation |
| allele | Each of two or more alternative forms of a gene that arise by mutation and which may be… | 1928 | Go To Quotation |
| allophenic | Of an organism: produced by the fusion of two embryos; tetraparental. | 1967 | Go To Quotation |
| Archaea | A taxon comprising the archaebacteria; (also archaea) organisms of this taxon… | 1990 | Go To Quotation |
| archaeal | Of, relating to, or involving the taxon Archaea or its members, the archaebacteria. | 1990 | Go To Quotation |
| archaebacterium | Any of a diverse group of micro-organisms similar to ordinary bacteria in size and… | 1977 | Go To Quotation |
| archaeon | A member of the Archaea; an archaebacterium. | 1990 | Go To Quotation |
| Asn | The amino acid asparagine. | 1957 | Go To Quotation |
| Asx | Either of the amino acids asparagine or aspartic acid, in contexts where they cannot be distinguished. | 1957 | Go To Quotation |
| azidothymidine | A substituted derivative of thymidine that has been used to inhibit the replication of… | 1974 | Go To Quotation |
| base-paired | Organized into or containing base pairs. | 1958 | Go To Quotation |
| base pairing | The combining of two bases to form a base pair; an instance of this. | 1956 | Go To Quotation |
| biogenicity | The state or property of being biogenic (biogenic adj. 1b). | 1968 | Go To Quotation |
| covalence | = covalency n. a b. | 1919 | Go To Quotation |
| covalency | The number of electrons in an atom that go to form a covalent bond; the number of covalent bonds that an atom can form. | 1919 | Go To Quotation |
| culturgen | In the terminology of C. J. Lumsden and E. O. Wilson: an element of behaviour or… | 1980 | Go To Quotation |
| cyanobacterium | Any of a division of prokaryotic micro-organisms that contain chlorophyll (green)… | 1973 | Go To Quotation |
| cybrid | A hybrid cell produced artificially by the fusion of two cells of which one lacks a… | 1974 | Go To Quotation |
| cyclooxygenase | An enzyme involved in prostaglandin synthesis that introduces oxygen molecules… | 1974 | Go To Quotation |
| derepress | trans. To cause to be no longer repressed; to activate. | 1962 | Go To Quotation |
| dysmorphism | Malformation or deformity, esp. as a congenital condition of the face or head. | 1965 | Go To Quotation |
| ecotype | A phenotype of a species which is the result of genetic or developmental adaptation to life… | 1916 | Go To Quotation |
| Ediacaran | Of, relating to, or designating the Ediacara fauna (cf. Ediacara n.). | 1961 | Go To Quotation |
| electroporate | trans. To apply high-voltage pulses of electricity to (cells or protoplasts) in order… | 1985 | Go To Quotation |
| endorphin | Any of a group of peptides that occur naturally in the brain and bind to the same receptors as does morphine. | 1976 | Go To Quotation |
| Franck–Condon | attrib. Designating or relating to the principle that an electronic transition in an atom… | 1928 | Go To Quotation |
| glucosinolate | Any of a class of toxic glucosides, produced by some brassicas, which yield mustard oils on ingestion. | 1961 | Go To Quotation |
| Hertzsprung | attrib. Designating astronomical concepts and phenomena described by Hertzsprung or arising from his work. | 1948 | Go To Quotation |
| hyperfine | (the presence of) multiplets of closely spaced lines in a spectrum that are closer… | 1927 | Go To Quotation |
| immunostimulatory | Stimulating the function of the immune system or the production of an immune response. | 1968 | Go To Quotation |
| isozyme | = isoenzyme n. | 1959 | Go To Quotation |
| Leech | a set of points in 24-dimensional Euclidean space regularly arranged such that each point has exactly 196,560 nearest neighbours. | 1968 | Go To Quotation |
| macromutationist | An exponent or adherent of macromutationism. | 1975 | Go To Quotation |
| magainin | Any of a group of peptides with antimicrobial properties that resemble those first… | 1987 | Go To Quotation |
| matric | Of or relating to a matrix or matrices. | 1921 | Go To Quotation |
| melanovanadite | A triclinic hydrated oxide of calcium and vanadium occurring as aggregates of opaque black prismatic crystals. | 1921 | Go To Quotation |
| metamorphogenic | Biol. Promoting or giving rise to metamorphosis. rare. | 1961 | Go To Quotation |
| met-enkephalin | The enkephalin that terminates in a methionine residue. | 1976 | Go To Quotation |
| methionyl | The aminoacyl group derived from methionine, CH 3 S(CH 2) 2 CH(NH 2)CO—. | 1939 | Go To Quotation |
| methylase | = methyltransferase n. | 1962 | Go To Quotation |
| microarchitecture | Chiefly Biol. Microscopic or small-scale structure (of a shell, tissue, organ, etc.). | 1954 | Go To Quotation |
| microburst | A brief burst or spate (of transmission, etc.). | 1967 | Go To Quotation |
| microfilament | A very fine filament; (Cell Biol.) a type of actin filament, 4–7 nanometres in diameter… | 1963 | Go To Quotation |
| microvillous | Of or relating to microvilli; having or consisting of microvilli. | 1965 | Go To Quotation |
| microwell | = microtiter well n. at microtiter adj. Special uses. | 1972 | Go To Quotation |
| minerogenesis | The formation of minerals; = metallogeny n. | 1917 | Go To Quotation |
| minicell | A small bacterial cell containing no nuclear material, produced during cell division in a particular strain of Escherichia coli. | 1967 | Go To Quotation |
| minigene | Originally: any of the genes coding for segments of the variable regions… | 1978 | Go To Quotation |
| mirror symmetry | Symmetry about a plane, as between an object and its reflection. | 1937 | Go To Quotation |
| misfold | intr. Of a protein or nucleic acid molecule: to fold into an incorrect tertiary structure. Also (occas.) trans. (in pass.). | 1971 | Go To Quotation |
| misfolded | Of a protein or nucleic acid molecule: that has undergone misfolding. | 1971 | Go To Quotation |
| misfolding | Incorrect folding in the formation of the tertiary structure of a protein or nucleic acid molecule; an instance of this. | 1971 | Go To Quotation |
| misincorporation | The incorporation into a protein, nucleic acid, or other biological polymer of a… | 1965 | Go To Quotation |
| misoriented | = misorientated adj. | 1948 | Go To Quotation |
| mispair | intr. Molecular Biol. To form a base pair with the wrong nucleotide. Usu. with with. | 1966 | Go To Quotation |
| mitochondrially | By or through mitochondria; with respect to mitochondria. | 1965 | Go To Quotation |
| monogenic | Involving or controlled by a single gene. | 1921 | Go To Quotation |
| monomerization | The splitting of a polymer or dimer into its constituent monomers. | 1963 | Go To Quotation |
| monomerize | trans. To break a dimer or polymer into its constituent monomers. | 1963 | Go To Quotation |
| monomethylate | trans. To convert into a monomethyl derivative; to introduce a methyl group into (a compound) as a substituent. | 1986 | Go To Quotation |
| monomictic | Of a lake: having only one seasonal period of free circulation each year. | 1956 | Go To Quotation |
| monoploid | Having or designating a single set (containing the basic or haploid number)… | 1928 | Go To Quotation |
| Moseley | attrib. and in the genitive. Designating concepts and relationships arising from… | 1917 | Go To Quotation |
| mu | A temperate phage (family Myoviridae) which infects various enterobacteria, integrating… | 1963 | Go To Quotation |
| multi-channelled | = multichannel adj. 1. | 1950 | Go To Quotation |
| multifork | Involving or having more than one replication fork. Cf. multiforked adj. | 1964 | Go To Quotation |
| multifunctionality | The condition of being multifunctional; diversity of function. | 1953 | Go To Quotation |
| multilayering | Multilayered character or appearance; the fact of being multilayered (lit. and fig.). | 1962 | Go To Quotation |
| multimeric | Consisting of or of the nature of a multimer. | 1964 | Go To Quotation |
| multipositive | Having more than one positive charge. Also: positive in more than one test or assay. rare. | 1927 | Go To Quotation |
| mutagenized | That has been treated with a mutagen. | 1963 | Go To Quotation |
| myelinating | That is undergoing myelination. Also: that myelinates a nerve fibre. | 1953 | Go To Quotation |
| myoplasmic | Of or relating to myoplasm. | 1960 | Go To Quotation |
| myristoylated | Of a molecule, esp. a protein: containing or bonded to a myristoyl group. | 1984 | Go To Quotation |
| myristoylation | The process of becoming myristoylated; the state of being myristoylated. | 1985 | Go To Quotation |
| nanomolar | Designating an amount, or a molar concentration, of the order of nanomoles. | 1968 | Go To Quotation |
| neper | A unit of measurement used in comparing voltages, currents, power levels, or other… | 1922 | Go To Quotation |
| neurobiologically | In terms of neurobiology; from a neurobiological standpoint; with reference to neurobiology. | 1972 | Go To Quotation |
| neutronic | Of or relating to a neutron or neutrons; consisting of neutrons. Also: spec. concerned… | 1933 | Go To Quotation |
| nif | Usu. italicized. More fully nif gene. (A symbol for) a gene which encodes nitrogenase… | 1971 | Go To Quotation |
| nitrosating | That causes nitrosation. | 1963 | Go To Quotation |
| non-allelic | Designating, relating to, involving, or caused by genes that are not allelic. | 1938 | Go To Quotation |
| non-covalent | Not of the nature of or involving a covalent bond. | 1958 | Go To Quotation |
| non-covalently | By means of a non-covalent bond. | 1960 | Go To Quotation |
| non-isotopic | Consisting of or containing nuclides of different elements; not sharing the same atomic number. Now rare. | 1923 | Go To Quotation |
| non-orientability | The property of being non-orientable. | 1938 | Go To Quotation |
| non-trivially | In a non-trivial manner. | 1923 | Go To Quotation |
| oligomerized | That has become oligomeric; that has been converted into an oligomer. | 1981 | Go To Quotation |
| oncogene | A gene whose products may in certain circumstances transform a cell containing them into a tumour cell. | 1969 | Go To Quotation |
| oncoprotein | A protein encoded by an oncogene and able to cause the transformation of a cell into a tumour cell if introduced into it. | 1983 | Go To Quotation |
| opine | An amino acid whose molecule contains a guanido group. | 1977 | Go To Quotation |
| orotidine | A ribonucleoside containing orotic acid, which is an intermediate in… | 1951 | Go To Quotation |
| orthonormal | Of a set, esp. a basis for a vector space: such that any two elements are orthogonal and… | 1928 | Go To Quotation |
| orthotopic | Located in the correct (anatomical) position; spec. designating or relating to… | 1917 | Go To Quotation |
| osmiophilic | Having an affinity for or staining readily with osmic acid or osmium tetroxide. | 1923 | Go To Quotation |
| outgas | To drive off adsorbed or dissolved gas or vapour from (a substance or object), esp. by heating in a vacuum. | 1919 | Go To Quotation |
| overbiasing | The action of overbias v. | 1992 | Go To Quotation |
| p53 | (The name of) a multifunctional protein involved in transcription and regulation of the… | 1979 | Go To Quotation |
| passageable | Esp. of tumour or tissue cells: capable of being subjected to passage (passage n. 10b). | 1973 | Go To Quotation |
| pathophysiologically | As regards pathophysiology. | 1974 | Go To Quotation |
| Patjitanian | With the. The early Palaeolithic culture or industry discovered near Patjitan, Java, in 1935. | 1938 | Go To Quotation |
| peptidyl | A radical formed from a peptide, esp. by the removal of an NH 2 group from an amide group. Usu. attrib. | 1964 | Go To Quotation |
| phenome | Originally: the sum total of the constituents of a cell exclusive of its genetic material (rare… | 1949 | Go To Quotation |
| phenomic | phenomic lag n. delayed appearance of phenotypic variants after induced… | 1949 | Go To Quotation |
| phonometrically | By means of phonometry. | 1922 | Go To Quotation |
| phoronid | Any of several tube-dwelling, worm-like marine invertebrates which constitute… | 1922 | Go To Quotation |
| photoaffinity | attrib. Designating or relating to a technique of labelling large molecules (esp.… | 1970 | Go To Quotation |
| photocycle | A chemical, physiological, or ecological cycle induced by changes in light levels; esp.… | 1953 | Go To Quotation |
| photoexcited | That has been subjected to photoexcitation; having increased energy as a result of absorption of a photon. | 1918 | Go To Quotation |
| photolabile | Of a substance: unstable in the presence of light. Opposed to photostable adj. | 1934 | Go To Quotation |
| photoreactivating | Involved in or bringing about photoreactivation. | 1955 | Go To Quotation |
| photorecovery | = photoreactivation n. | 1950 | Go To Quotation |
| phragmosome | A layer of darker cytoplasm which forms during mitosis in some plant cells at the site… | 1940 | Go To Quotation |
| planktivorous | Feeding on plankton; characterized by such behaviour. | 1965 | Go To Quotation |
| plasmagel | Cytoplasm in the form of a gel, esp. surrounding the plasmasol in an amoeboid cell. Cf. plasmasol n. | 1923 | Go To Quotation |
| plasmalemma | A lipid bilayer surrounding the cytoplasm of a cell; a plasma membrane, a cell membrane; esp.… | 1923 | Go To Quotation |
| plasmasol | Cytoplasm in the form of a sol, such as forms the relatively fluid central regions of amoeboid cells. Cf. plasmagel n. | 1923 | Go To Quotation |
| polyadenylate | A salt or ester, or the anion, of polyadenylic acid; the acid itself. | 1962 | Go To Quotation |
| polyclonally | By means of or involving polyclonal cells. | 1976 | Go To Quotation |
| polydeoxy- | Forming the names of polymers of deoxyribonucleotides, as polydeoxyadenylate; polydeoxyadenylic… | 1962 | Go To Quotation |
| polydeoxyribo- | Forming the names of polymers of deoxyribonucleotides, as polydeoxyriboadenylate;… | 1961 | Go To Quotation |
| polymorphically | In a polymorphic way; with varying or multiple manifestations; = polymorphously adv. | 1954 | Go To Quotation |
| polyribo- | Forming the names of polymers of ribonucleotides, as polyriboadenylate, polyriboadenylic… | 1958 | Go To Quotation |
| polysomy | The state or condition of being polysomic. | 1929 | Go To Quotation |
| polytenize | intr. To undergo polytenization. | 1973 | Go To Quotation |
| primase | Any of a group of polymerases that bring about the synthesis of DNA or RNA primers (see primer n. 3b). | 1977 | Go To Quotation |
| primosome | A complex of proteins, first identified in Eschericha coli, required for the initiation… | 1981 | Go To Quotation |
| propidium | A dye (more fully propidium iodide) which is a salt of a cation related to phenanthridine… | 1969 | Go To Quotation |
| protomeric | Of or relating to a protomer or protomers (protomer n.). | 1966 | Go To Quotation |
| proto-oncogene | Originally: a normal cellular gene whose nucleotide sequence is similar to that of… | 1981 | Go To Quotation |
| protosolar | Of or relating to the protosun; (also) relating to a preliminary stage in the formation of the solar system. | 1964 | Go To Quotation |
| prototroph | A prototrophic microorganism (see prototrophic adj. 2). | 1946 | Go To Quotation |
| pseudodominance | Originally: the apparent dominance of a recessive allele in a heterozygote resulting… | 1921 | Go To Quotation |
| psychoactive | Of a drug: that possesses the ability to affect the mind, emotions, or behaviour; = psychotropic adj. | 1959 | Go To Quotation |
| Q-spoiled | = Q-switched adj. | 1964 | Go To Quotation |
| quantum jump | Physics. An abrupt transition between one stationary state of a quantized system and… | 1924 | Go To Quotation |
| radiationless | Not involving the emission of electromagnetic radiation. | 1919 | Go To Quotation |
| radioassay | An assay performed by measuring the radioactivity of a radioisotope. | 1945 | Go To Quotation |
| Ramsauer | the sharp decrease, almost to zero, of the scattering cross-section of atoms of inert… | 1926 | Go To Quotation |
| recombinase | Any of various enzymes or enzyme systems involved in nucleic acid rearrangement, esp. in site-specific recombination. | 1964 | Go To Quotation |
| red giant | A massive high-luminosity star that has cooled considerably at a late stage of its… | 1916 | Go To Quotation |
| ribosomal | Of or relating to a ribosome or ribosomes. | 1959 | Go To Quotation |
| Richardson–Dushman equation | The Richardson equation, esp. in one or other of its later representations. | 1928 | Go To Quotation |
| Russell–Saunders | Relating to or involving Russell–Saunders coupling. | 1926 | Go To Quotation |
| semi-lethal | Of an allele or a chromosomal abnormality: causing impaired viability of most of the individuals homozygous for it. | 1917 | Go To Quotation |
| sialidase | = neuraminidase n. | 1956 | Go To Quotation |
| sonicate | A sample which has been subjected to ultrasound so as to fragment the macromolecules and membranes in it. | 1958 | Go To Quotation |
| sonomaite | ‘Hydrous sulphate of aluminum and magnesium, closely allied to pickeringite’ (Chester). | 1876 | Go To Quotation |
| thymopoietin | A polypeptide hormone secreted by the thymus which stimulates the development of thymocytes. | 1974 | Go To Quotation |
| thymosin | An extract of the thymus gland which has a stimulating effect on the immune system (see quots.). | 1966 | Go To Quotation |
| transgenosis | The transfer of genes to an unrelated organism and their subsequent expression. | 1973 | Go To Quotation |
| triangulable | Of a topological space: capable of undergoing triangulation (sense 2b). | 1940 | Go To Quotation |
| unineme | Of a chromatid: having (as usual) just one duplex of DNA. | 1963 | Go To Quotation |
| urkingdom | One of the highest taxonomic groups of organisms, proposed in some classifications, spec.… | 1977 | Go To Quotation |
| villin | A protein found in the microvilli of the small intestine and involved in… | 1979 | Go To Quotation |
| vimentin | A cellular protein found in a wide variety of cell types, usu. as a constituent… | 1978 | Go To Quotation |