nalidixic acid

[ ney-li-dik-sik, ney- ]
/ ˈneɪ lɪˈdɪk sɪk, ˌneɪ- /

noun Pharmacology.

a substance, C12H12N2O3, that has antibacterial activity against many susceptible Gram-negative organisms, especially used in the treatment of urinary tract infections.

Nearby words

  1. nalbuphine,
  2. nalbuphine hydrochloride,
  3. nalchik,
  4. naled,
  5. nalgo,
  6. nalline,
  7. nalmefene,
  8. nalorphine,
  9. naloxone,
  10. naloxone hydrochloride

Origin of nalidixic acid

1960–65; by shortening and rearrangement of naphthyridine and carboxylic acid, components of its chemical name Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for nalidixic acid

nalidixic acid

[ nā′lĭ-dĭksĭk ]


A compound used in the treatment of infections of the genital and urinary tracts caused by gram-negative bacteria.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.