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Related to hybrid vigor: Hybrid vigour
Increased vigor or other superior qualities arising from the crossbreeding of genetically different plants or animals. Also called heterosis.
het•er•o•sis(ˌhɛt əˈroʊ sɪs)
the increase in growth, size, yield, or other characters in hybrids over those of the parents.
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|Noun||1.||hybrid vigor - (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"