bacitracin

English dictionary entry

Meanings

noun
  1. A nonprescription polypeptide antibiotic isolated from a bacillus (Bacillus subtilis or Bacillus licheniformis), usually provided in topical ointment form especially against gram-positive bacteria.

Pronunciation

/ˌbæs.ɪˈtɹeɪ.sɪn/

Word forms

bacitracin bacitracins

Etymology

From translingual Baci(llus subtilis) + Tracy + -in. Named after American child Margaret Tracy (1936–1994), in whose leg infection the compound was first found.

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