Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
See hybrid vigor.
[Late Greek heterōsis, alteration, alteration of Greek heteroiōsis, from heteroioun, to alter, from heteroios, different in kind, from heteros, other; see hetero-.]
het′er·ot′ic (-rŏt′ĭk) adj.
(Biology) biology another name for hybrid vigour
[C19: from Late Greek: alteration, from Greek heteroioun to alter, from heteros other, different]
het•er•o•sis(ˌhɛt əˈroʊ sɪs)
the increase in growth, size, yield, or other characters in hybrids over those of the parents.
abnormal development, especially increased size, in plants or animals, usually as a result of cross-breeding.See also: Animals, Plants
abnormal development, especially increased size, in plants or animals, usually as a result of crossbreeding.See also: Size
Switch to new thesaurus
|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"