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Dictionary · Word part

cry/o

A word root that means cold.

KRY-oh root

What it means

The root in words about cold. Cryotherapy is treatment with cold, from an ice pack to freezing off a wart. Cryosurgery destroys tissue by freezing it, and cryoprecipitate is a blood product made by freezing and slowly thawing plasma.

At a glance

Also writtencryo-

Related terms

hypothermia

A body temperature that has fallen below the normal range.

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