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rifampin

[ri-fam-pin]
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noun Pharmacology.
  1. a semisynthetic broad-spectrum antibiotic, C43H58N4O12, used in the treatment of pulmonary tuberculosis, asymptomatic carriers of meningococcal disease, and leprosy.
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Origin of rifampin

1965–70; probably rifam(yci)n (orig., rifomycin, equivalent to rifo- (perhaps < Italian rifo(rmare) to reform) + -mycin) + pi(perazine)
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

rifampin in Medicine

rifampin

(rĭ-fămpĭn)
n.
  1. A semisynthetic antibiotic, derived from a form of rifamycin, that interferes with the synthesis of RNA and is used to treat bacterial and viral diseases.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.