tyrothricin

/ ˌtaɪrəʊˈθraɪsɪn /

noun

1. 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 History and Origins

Origin of tyrothricin¹

C20: from New Latin Tyrothrix (genus name), from Greek turos cheese + thrix hair