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the condition in which the males and females in a species are morphologically different, as with many birds.
sexual dimorphism
(biology) differences in appearance between the males and females of a species

sexual dimorphism n.
The physical differences between male and female individuals that arise as a consequence of sexual maturation, including the secondary sex characteristics.


Read Also:

  • Sexual dwarf

    sexual dwarf n. A dwarf who exhibits normal sexual development.

  • Sexual-generation

    noun 1. the gametophyte generation in the alternation of generations in plants that produces a zygote from male and female gametes. sexual generation n. Reproduction through the union of individuals, or the union of male and female germ cells.

  • Sexual-harassment

    noun 1. unwelcome sexual advances made by an employer or superior, especially when compliance is made a condition of continued employment or advancement. sexual harassment noun 1. the persistent unwelcome directing of sexual remarks and looks, and unnecessary physical contact at a person, usually a woman, esp in the workplace

  • Sexual infantilism

    sexual infantilism n. Failure to develop secondary sexual characteristics after the normal time of puberty.

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