Bacitracin
an 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.
noun
an antibiotic used mainly in treating bacterial skin infections: obtained from the bacterium bacillus subtilis
bacitracin bac·i·tra·cin (bās’ĭ-trā’sĭn)
n.
a polypeptide antibiotic obtained from a strain of the bacterium bacillus subtilis and used as a topical treatment for certain bacterial infections, especially those caused by cocci.
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