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The offspring of parents differing from each other in more than three characters.
Etymology: Gk, polys + L, hybrida, offspring of mixed parents
pertaining to or describing an individual, organism, or strain that is heterozygous for more than three specific traits or gene pairs or that is the offspring of parents differing in more than three specific gene pairs.
polyhybrid(pŏl″ē-hī′brĭd) [″ + L. hybrida, mongrel]
The offspring of parents that are different with respect to three or more characteristics.