Definitions for "Heterosis"
an increase in the performance of hybrids over that of purebreds, most noticeably in traits such as fertility and survivability.
Performance of offspring that is greater than the average of the performance of the parents. Usually the amount of superiority of the crossbred over the average of the parental breeds. Also referred to as hybrid vigor.
The superiority of an outbred individual relative to the average performance of the parent populations included in the cross.
Keywords:  overdominance, see
(see overdominance)
Keywords:  pronoun, verb, noun, sentence, speech
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?"