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Meaning of ulcerate

ul•cer•ate

Pronunciation: (ul'su-rāt"), [key]
— v., -at•ed, -at•ing.
—v.i.
  1. to form an ulcer; become ulcerous: His skin ulcerated after exposure to radioactive material.
—v.t.
  1. to cause an ulcer on or in: Continued worry ulcerated his stomach.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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