| aciculated | Marked with narrow lines (as if produced by a needle), finely striated. Also: (a)… | 1819 | Go To Quotation |
| agrostological | Of or relating to grasses or agrostology. Cf. agrostologic adj. | 1875 | Go To Quotation |
| antivirus | Med. and Biol. A substance which is active or effective against viruses. | 1914 | Go To Quotation |
| azonal | Not confined to a zone, not arranged in zones; spec. in Soil Sci., azonal soil (see quot. 1938). | 1896 | Go To Quotation |
| biotin | A vitamin of the B complex which is essential for various metabolic carboxylation reactions… | 1935 | Go To Quotation |
| cytogenetical | = cytogenetic adj. 2. | 1930 | Go To Quotation |
| ecologic | = ecological adj. | 1894 | Go To Quotation |
| ecologically | In an ecological manner; in terms of ecology. | 1897 | Go To Quotation |
| hyponym | Taxonomy. A name made invalid by the lack of adequate contemporary description of the taxon it was intended to designate. | 1904 | Go To Quotation |
| megagametogenesis | The process of formation of megagametes. | 1929 | Go To Quotation |
| melastome | A plant of the family Melastomataceae. | 1881 | Go To Quotation |
| mesophilous | Characterized by the avoidance of extremes of moisture or dryness; (Ecol.) mesophytic. | 1901 | Go To Quotation |
| mesothermal | Chiefly Ecol. Of an environment: characterized by moderate temperatures; (of… | 1901 | Go To Quotation |
| Microcystis | A genus of colony-forming cyanobacteria (blue-green algae) (order Chroococcales), some… | 1879 | Go To Quotation |
| microenvironmental | Of, relating to, or of the nature of a microenvironment. | 1947 | Go To Quotation |
| microthermal | Designating a plant that can grow or survive in low temperatures; = microtherm adj. rare. Perh. Obs. | 1901 | Go To Quotation |
| mid-size | = mid-sized adj. | 1967 | Go To Quotation |
| monospecific | Biol. Containing or consisting of only one species. | 1921 | Go To Quotation |
| morphallactic | Of, involving, or occurring by morphallaxis. | 1926 | Go To Quotation |
| multigeneric | Derived from or involving more than one genus or kind. | 1923 | Go To Quotation |
| nassella | Any of various coarse, tussock-forming grasses constituting the genus Nassella, native… | 1909 | Go To Quotation |
| necrotized | Necrotic. | 1929 | Go To Quotation |
| nocardial | Of, resembling, or caused by actinomycetes of the genus Nocardia. | 1947 | Go To Quotation |
| nucleolate | = nucleolated adj. | 1883 | Go To Quotation |
| nucular | = nuclear adj. (in various senses). | 1943 | Go To Quotation |
| ombrophilous | Of a plant: shade-loving. | 1924 | Go To Quotation |
| outcurved | Curved outwards; spec. (of the bow of a violin or other stringed instrument) having a curve in the direction away from the hair. | 1897 | Go To Quotation |
| paroecious | Of a bryophyte: having the male and female reproductive organs in close proximity but… | 1877 | Go To Quotation |
| peristomate | Of a moss or moss capsule: having a peristome (peristome n. 1). | 1941 | Go To Quotation |
| photoassimilate | trans. To assimilate (a carbon source) by photosynthesis. Also intr. | 1961 | Go To Quotation |
| phytomer | Each of the basic morphological units which is repeated to form the structure of a… | 1879 | Go To Quotation |
| pistillode | A sterile or rudimentary pistil. | 1904 | Go To Quotation |
| podocarpaceous | Characteristic of or belonging to the family Podocarpaceae. | 1932 | Go To Quotation |
| presynaptic | Cell Biol. Occurring or existing before the pairing of homologous chromosomes during meiosis. | 1903 | Go To Quotation |
| prophyllum | = prophyll n. 1. | 1890 | Go To Quotation |
| proterandrous | Bot. = protandrous adj. 1. Cf. proterogynous adj. 1. | 1872 | Go To Quotation |
| pseudomonas | A bacterium of the genus Pseudomonas (family Pseudomonadaceae), which… | 1899 | Go To Quotation |
| radiomimetic | Of a substance: producing an effect on cells or tissue similar to that of ionizing radiation.… | 1945 | Go To Quotation |
| resinosis | An abnormal condition in conifers marked by abundant discharge of resin from the root or… | 1884 | Go To Quotation |
| rheophyte | A plant that lives in flowing water. | 1899 | Go To Quotation |
| roentgeno- | = radiograph n. 2; cf. roentgenograph n. | 1896 | Go To Quotation |
| Septoria | An imperfect fungus of the genus Septoria, which includes forms having spores borne… | 1891 | Go To Quotation |