Bacitracin definitions

băs'ĭ-trā'sĭn
A polypeptide antibiotic obtained from a strain of a bacterium (Bacillus subtilis) and used as a topical ointment in the treatment of certain bacterial infections, especially those caused by cocci.
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An antibiotic obtained from a strain of bacteria (Bacillus subtilis) and used in the treatment of certain bacterial infections, esp. of the body surfaces.
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A polypeptide antibiotic obtained from a strain of a bacterium (Bacillus subtilis) and used as a topical ointment in the treatment of certain bacterial infections, especially those caused by cocci.
noun
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A nonprescription antibiotic, usually provided in topical ointment form and discovered as a product of the bacterium Bacillus subtilis.
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Origin of bacitracin

baci(llus) Margaret Tracy (born c. 1936), an American child from whose tissue the strain of the bacterium was first isolated –in