heterosis - WordReference.com Dictionary of English

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- See Also:
- - heterograft
  - heterologous
  - heteromerous
  - heteromorphic
  - heteronomous
  - heteronym
  - heteropolar
  - heteropteran
  - heterosexism
  - heterosexual
  - heterosis
  - heterotransplant
  - heterotroph
  - heterozygote
  - hetman
  - heuchera
  - heuristic
  - hew
  - HEW
  - hewer
  - hex
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heterosis

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Concise Oxford English Dictionary © 2008 Oxford University Press:
heterosis /ˌhɛtəˈrəʊsɪs/

▶noun technical term for hybrid vigour.

– derivatives
heterotic adjective.

– origin early 20th cent.: from Gk heterōsis ‘alteration’.

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