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heterosis

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(het′ər ō′sis)

noun

a phenomenon resulting from hybridization, in which offspring display greater vigor, size, resistance, etc. than the parents

Origin: heter(o)- + -osis

Related Forms:

heterotic adjective

See heterosis in American Heritage Dictionary 4

noun

See hybrid vigor.

Origin:

Origin: Late Greek heterōsis, alteration

Origin: , alteration of Greek heteroiōsis

Origin: , from heteroioun, to alter

Origin: , from heteroios, different in kind

Origin: , from heteros, other; see hetero-

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Related Forms:

hetˌer·otˈic (-rŏtˈĭk) adjective

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