English edit

Noun edit

sulphonamide (plural sulphonamides)

  1. (British spelling, pharmacology) Alternative spelling of sulfonamide
    • 2019, Bill Bryson, The Body: A Guide for Occupants, Black Swan (2020), page 48:
      In the early 1930s, researchers in Germany produced a group of antibacterial drugs known as sulphonamides, but they didn’t always work well and often had serious side effects.