heterosis

n. increased strength of different characteristics in hybrids (Biology)

Heterosis is a term used in genetics and selective breeding. The term heterosis, also known as hybrid vigor, hybrid vigour, or outbreeding enhancement, describes the increased strength of different characteristics in hybrids; the possibility to obtain a "better" individual by combining the virtues of its parents.
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n. heterosis, increased strength of different characteristics in hybrids (Biology)

(n.)
A figure of speech by which one form of a noun, verb, or pronoun, and the like, is used for another, as in the sentence: "What is life to such as me?"
  

heterosis
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