sexual dimorphism

noun

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

sexual dimorphism

noun

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

Other Words From

• sexually dimorphic adjective

Word History and Origins

Origin of sexual dimorphism¹

First recorded in 1885–90

Example Sentences

Only after serious study of sexual dimorphism in the animal series may one venture a few reflections on feminism.

From Project Gutenberg

Animals having both sexes, do not necessarily show sexual dimorphism.

From Project Gutenberg

Finally, I have a little to say about the sexual dimorphism that occurs so generally in the animal kingdom.

From Project Gutenberg

The peafowl is a bird of considerable interest to the zoologist, as it affords a striking example of sexual dimorphism.

From Project Gutenberg

Nor does there appear to be any connection between nesting habits and the presence or absence of sexual dimorphism.

From Project Gutenberg