tyrothricin

noun
ty·ro·thri·cin | \ ˌtī-rə-ˈthrī-sᵊn \

Definition of tyrothricin 

: an antibiotic mixture consisting chiefly of tyrocidine and gramicidin and used topically especially against gram-positive bacteria

First Known Use of tyrothricin

1940, in the meaning defined above

History and Etymology for tyrothricin

New Latin Tyrothoric-, Tyrothrix, genus name formerly applied to various bacteria

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The first known use of tyrothricin was in 1940

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tyrothricin

noun
ty·ro·thri·cin | \ ˌtī-rə-ˈthrīs-ᵊn \

Medical Definition of tyrothricin 

: an antibiotic mixture that consists chiefly of tyrocidine and gramicidin, is obtained from a soil bacterium of the genus Bacillus (B. brevis), and is used in the topical treatment of infections especially of the skin and mouth caused by gram-positive bacteria

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