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methicillin

[meth-uh-sil-in]
noun Pharmacology.
  1. a semisynthetic penicillin antibiotic, C17H19N2NaO6S, used principally in the treatment of severe, penicillin-resistant staphylococci infections.
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Origin of methicillin

First recorded in 1960–65; meth(yl) + (pen)icillin
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for methicillin

methicillin

noun
  1. a semisynthetic penicillin used to treat various infections
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
methicillin in Medicine

methicillin

(mĕth′ĭ-sĭl′ĭn)
n.
  1. A synthetic antibiotic related to penicillin and most commonly used in treatment of infections caused by staphylococci that produce beta-lactamase.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.