sexual dimorphism


noun

the condition in which the males and females in a species are morphologically different, as with many birds.

Origin of sexual dimorphism

First recorded in 1885–90

OTHER WORDS FROM sexual dimorphism

sexually dimorphic, adjective

British Dictionary definitions for sexual dimorphism

sexual dimorphism

noun

biology differences in appearance between the males and females of a species

Medical definitions for sexual dimorphism

sexual dimorphism

n.

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