单词	tyrocidine
释义	tyrocidine noun ty·​ro·​ci·​dine ˌtī-rə-ˈsī-dᵊn  variants or less commonly tyrocidin : a basic polypeptide antibiotic produced by a soil bacillus (Bacillus brevis) Word History Etymology tyrothricin + gramicidin First Known Use 1940, in the meaning defined above Medical Definition tyrocidine noun ty·​ro·​ci·​dine variants also tyrocidin ˌtī-rə-ˈsīd-ᵊn  : a basic polypeptide antibiotic produced by a soil bacterium of the genus Bacillus (B. brevis) and constituting the major component of tyrothricin
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