Meaning & use

oto

prefix·Advanced

A combining form meaning 'ear,' used at the start of medical and scientific terms.

See it in a sentence

The word otology, formed with oto-, refers to the medical study of the ear.

A doctor who treats ear infections may describe the condition using terms built from oto-.

A note on using this word

Oto- comes from Greek and regularly combines with other roots, as in otitis, meaning ear inflammation, and otoscope.

Words with a similar meaning

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