• synonyms


[pen-uh-sil-uh-meen, -min]
noun Pharmacology.
  1. a chelating agent, C5H11NO2S, produced by the degradation of penicillin, used in the treatment of severe rheumatoid arthritis and in heavy metal poisoning.
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Origin of penicillamine

First recorded in 1940–45; penicill(in) + -amine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

penicillamine in Medicine


  1. A degradation product of penicillin that is used as a chelating agent and in the treatment of rheumatoid arthritis and copper poisoning.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.