het·er·o·sis (h t  -r  s s)n. See hybrid vigor. [Late Greek heter sis, alteration, alteration of Greek heteroisis, from heteroioun, to alter, from heteroios, different in kind, from heteros, other; see hetero-.]het er·otic (-r tk) adj. |
heterosis [ˌhɛtəˈrəʊsɪs]
n
(Life Sciences & Allied Applications / Biology) Biology another name for hybrid vigour
[from Late Greek: alteration, from Greek heteroioun to alter, from heteros other, different]
heterosis
abnormal development, especially increased size, in plants or animals, usually as a result of cross-breeding.
See also: Animals, Plantsabnormal development, especially increased size, in plants or animals, usually as a result of crossbreeding.
See also: Size
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | heterosis - (genetics) the tendency of a crossbred organism to have qualities superior to those of either parent tendency, inclination - a characteristic likelihood of or natural disposition toward a certain condition or character or effect; "the alkaline inclination of the local waters"; "fabric with a tendency to shrink" genetic science, genetics - the branch of biology that studies heredity and variation in organisms |
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