nalidixic acid

 
Pronunciation: /ˌnalɪˈdɪksɪk/

noun

[mass noun] Medicine
  • a synthetic compound which inhibits the multiplication of bacteria, used chiefly to treat urinary infections.
    • A heterocyclic compound; chemical formula: C12H12N2O3

Origin:

1960s: nalidixic by rearrangement of elements from naphthalene, carboxylic, and di-1 (forming the systematic name)