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[nee-oh-mahy-sin] /ˌni oʊˈmaɪ sɪn/
noun, Pharmacology.
an antibiotic produced by an actinomycete, Streptomyces fradiae, administered orally or locally, used chiefly for skin, urinary tract, and eye infections and as a surgical antiseptic.
Origin of neomycin
First recorded in 1945-50; neo- + -mycin Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for neomycin


an antibiotic obtained from the bacterium Streptomyces fradiae, administered locally in the treatment of skin and eye infections or orally for bowel infections. Formula: C12H26N4O6
Word Origin
C20: from neo- + Greek mukēs fungus + -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
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neomycin in Medicine

neomycin ne·o·my·cin (nē'ə-mī'sĭn)
A broad-spectrum antibiotic derived from strains of the actinomycete Streptomyces fradiae and used in its sulfate form as an intestinal antiseptic in surgery.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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