outcrossing

noun out·cross·ing \ ˈau̇t-ˌkrȯ-siŋ \

Definition of outcrossing

: the interbreeding of individuals or stocks that are relatively unrelated (as to improve expression of a desired genetic trait) : outbreeding

First Known Use of outcrossing

1890

in the meaning defined above

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Medical Dictionary

outcrossing

noun out·cross·ing

medical Definition of outcrossing

: a mating of individuals of different strains but usually of the same breed

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