anisogamous

American

[an-ahy-sog-uh-muhs] / ˌæn aɪˈsɒg ə məs /

Also anisogamic

adjective

Biology.

reproducing by the fusion of dissimilar gametes or individuals, usually differing in size.

Etymology

Origin of anisogamous

First recorded in 1900–05; aniso- + -gamous

Example Sentences

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anisogamous

Anisogamy is one of the most fundamental facts of life: Sexual reproduction is anisogamous in all animals and almost all multicellular plants.

From The Wall Street Journal ● Jul. 24, 2026

The gametes unite in couples, each couple being most probably composed of dissimilar members: in other words, conjugation is slightly anisogamous.

From Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3 "Electrostatics" to "Engis" by Various

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023