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sexual dimorphism


from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A physical difference between male and female individuals of the same species.

from the GNU version of the Collaborative International Dictionary of English

  • adj. the condition of having one of the sexes existing in two forms, or varieties, differing in color, size, etc., as in many species of butterflies which have two kinds of females.


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