bacitracin
bac·i·tra·cin
noun \ˌba-sə-ˈtrā-sən\Definition of BACITRACIN
: a polypeptide antibiotic isolated from a bacillus (Bacillus subtilis or B. licheniformis) and usually used topically especially against gram-positive bacteria
Origin of BACITRACIN
New Latin Bacillus subtilis (species of bacillus producing the toxin) + Margaret Tracy b ab 1936 American child in whose tissues it was found
First Known Use: 1945
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