Dictionary

heterosis

noun het·er·o·sis \ˌhe-tə-ˈrō-səs\

Definition of HETEROSIS

:  the marked vigor or capacity for growth often exhibited by crossbred animals or plants —called also hybrid vigor
het·er·ot·ic \-ˈrä-tik\ adjective

Origin of HETEROSIS

New Latin
First Known Use: 1914

heterosis

noun het·er·o·sis \ˌhet-ə-ˈrō-səs\   (Medical Dictionary)
plural het·er·o·ses \-ˌsēz\

Medical Definition of HETEROSIS

:  a marked vigor or capacity for growth that is often shown by crossbred animals or plants—called also hybrid vigor
het·er·ot·ic \-ˈrät-ik\ adjective

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