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Meaning of lesion

le•sion

Pronunciation: (lē'zhun), [key]
— n.
  1. an injury; hurt; wound.
  2. any localized, abnormal structural change in the body.
  3. any localized, defined area of diseased tissue, as a spot, canker, blister, or scab.
—v.t.
  1. to cause a lesion or lesions in.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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