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a combining form used in the names of antibiotics, usually fungal derivatives:
Origin of -mycin
perhaps orig. in actinomycin; see myc-, -in2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for -mycin


combining form
indicating an antibiotic compound derived from a fungus: streptomycin
Word Origin
from 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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-mycin in Medicine

-mycin suff.
A substance derived from a bacterium in the order Actinomycetales: erythromycin.

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