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Dictionary · Word part

cor/o

A word root that means the pupil of the eye.

KOR-oh root

What it means

The root in words about the pupil, the black opening in the center of the eye. Anisocoria means pupils of unequal size, and corectopia is a pupil that is off-center. Do not mix it up with "cor," the Latin word for heart, as in cor pulmonale.

At a glance

Also writtencore/o
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