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sulfa drug

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noun Pharmacology.
  1. any of a group of drugs closely related in chemical structure to sulfanilamide, having a bacteriostatic rather than a bacteriocidal effect: used in the treatment of various wounds, burns, and infections.
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Origin of sulfa drug

First recorded in 1935–40
Also called sulfa.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

penicillin, amoxicillin, tetracycline, erythromycin, streptomycin, ampicillin, sulfonamide
British Dictionary definitions for sulfa drug

sulfa drug

noun
  1. any of a group of sulfonamide compounds that inhibit the activity of bacteria and are used in medicine to treat bacterial infections
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
sulfa drug in Medicine

sulfa drug

n.
  1. Any of a group of synthetic organic compounds, derived chiefly from sulfanilamide, chemically similar to PABA and capable of inhibiting bacterial growth and activity by interfering with the metabolic processes in bacteria that require PABA.sulfonamide
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
sulfa drug in Science

sulfa drug

[sŭl′fə]
  1. See under sulfonamide.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.