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gramicidin

[gram-uh-sahyd-n]
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noun Pharmacology.
  1. a crystalline, water-insoluble antibiotic obtained from tyrothrycin by extraction, used chiefly in treating local infections caused by Gram-positive organisms.
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Origin of gramicidin

First recorded in 1935–40; Gram-(positive) + -i- + -cide + -in2
Also called gramicidin D.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for gramicidin

gramicidin

gramicidin D

noun
  1. an antibiotic used in treating local Gram-positive bacterial infections: obtained from the soil bacterium Bacillus brevis
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Word Origin

C20: from Gram (-positive) + -cid (e) + -in
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
gramicidin in Medicine

gramicidin

(grăm′ĭ-sīd′n)
n.
  1. An antibiotic produced by a Bacillis bacterium and used to treat certain gram-positive bacteria infections.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.