'bacitracin' definitions:
Definition of 'bacitracin'
From: WordNet
noun
A polypeptide antibiotic of known chemical structure effective against several types of Gram-positive organisms; usually applied locally
Definition of 'bacitracin'
From: GCIDE
- bacitracin \bacitracin\ n. (1940) [Bacillus + Margaret Tracy, (a child whose tissues contained Bacillus subtilis) + -in. --RHUD.] a polypeptide antibacterial antibiotic of known chemical structure effective against several types of Gram-positive organisms, and usually used topically for superficial local infection.
- Note: It is produced by Bacillus subtilis and {Bacillus licheniformis}, and as produced commercially is composed of several closely related substances. The predominant component, Bacitracin A, has a formula C60H103N17O16S, and contains D-ornithine, D-phenylalanine and D-glutamine residues as well as the L-isomers of leucine, isoleucine, histidine, asparagine and aspartic acid. --[MI11] [WordNet 1.5]