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Dictionary · Word part

audi/o

A word root that means hearing or sound.

AW-dee-oh root

What it means

The root in words about hearing. An audiogram is a chart of a hearing test, audiology is the study of hearing, an audiologist tests hearing and fits hearing aids, and "auditory" means having to do with hearing, as in auditory hallucinations.

At a glance

Also writtenaud/i, audi-, audio-

Related terms

-logy

A word ending that means the study of something.

tinnitus

A ringing, buzzing, roaring or hissing sound in the ears that does not come from outside.

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