a combining form used in the names of antibiotics, usually fungal derivatives: neomycin.

Origin of -mycin

perhaps orig. in actinomycin; see myc-, -in2
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British Dictionary definitions for -mycin


n combining form

indicating an antibiotic compound derived from a fungusstreptomycin

Word Origin for -mycin

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

Medicine definitions for -mycin



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