Definition of nalidixic acid in English:

nalidixic acid

noun

Medicine
  • [mass noun] A synthetic compound which inhibits the multiplication of bacteria, used chiefly to treat urinary infections.

    • ‘The original quinolone antibiotics included nalidixic acid, cinoxacin and oxolinic acid (no longer available in the United States).’
    • ‘The organism isolated was resistant to ampicillin, cotrimoxazole, nalidixic acid and norfloxacin.’
    • ‘There was no association between nalidixic acid and chloramphenicol susceptibility.’
    • ‘In India, almost 100% of the healthy population carry bacteria that are resistant to ampicillin, trimethoprim, nalidixic acid, and chloramphenicol.’
    • ‘There has also been a change in the antimicrobial susceptibility pattern; resistance to ampicillin and nalidixic acid has changed in recent times.’

Origin

1960s: nalidixic by rearrangement of elements from naphthalene, carboxylic, and di- (forming the systematic name).

Pronunciation:

nalidixic acid

/ˌnalɪˈdɪksɪk/