/ (ˌtaɪrəʊˈθraɪsɪn) /
an antibiotic, obtained from the soil bacterium Bacillus brevis, consisting of tyrocidine and gramicidin and active against Gram-positive bacteria such as staphylococci and streptococci: applied locally for the treatment of ulcers and abscesses
Word Origin for tyrothricin
C20: from New Latin Tyrothrix (genus name), from Greek turos cheese + thrix hair
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Medicine definitions for tyrothricin
[ tī′rō-thrī′sĭn ]
A gray-brown mixture consisting mainly of tryocidine and gramicidin, used as a topical antibiotic in treating infections caused by gram-positive bacteria.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.