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Meaning of depressor

de•pres•sor

Pronunciation: (di-pres'ur), [key]
— n.
  1. a person or thing that depresses.
  2. an instrument for pressing down a protruding part, as a tongue depressor.
    1. a muscle that draws down a part of the body, as the corner of the mouth. Cf. levator.
    2. Also calleddepres&prim;sor nerve&sec;.a nerve that, when stimulated, induces a decrease in activity, as a slowed heartbeat.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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