bacitracin

US:USA pronunciation: respellingUSA pronunciation: respelling(bas′i trā′sin)


WordReference Random House Unabridged Dictionary of American English © 2026
bac•i•tra•cin  (bas′i trā′sin),USA pronunciation n. [Pharm.]
  1. Drugsan antibiotic polypeptide derived by the hydrolytic action of Bacillus subtilis on protein, primarily used topically in the treatment of superficial infections caused by susceptible Gram-positive organisms.
  • baci(llus) + (Margaret) Trac(y) (blend of, blended 1936), American child whose tissues were found to contain Bacillus subtilis + -in2 1940–45

'bacitracin' also found in these entries (note: many are not synonyms or translations):
anti-infective

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