Meaning & use

homologous

adjective·Advanced

Having a similar structure and origin, though not necessarily the same function, especially in biology.

See it in a sentence

A bat's wing and a human arm are homologous structures with the same basic bone layout.

Biologists compared homologous genes across species to trace their evolutionary history.

A note on using this word

Homologous (shared ancestry) is often confused with analogous (similar function, different origin), a key distinction in biology.

Words with a similar meaning

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Words with an opposite meaning

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