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definitions

famotidine

[fə-mō′tĭ-dēn′]
n.
  1. A histamine H2 antagonist used in the treatment of duodenal ulcers.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.