Share this entry

sulphanilamide Line breaks: sulph|anila¦mide
Pronunciation: /ˌsʌlfəˈnɪləmʌɪd/
(also sulfanilamide)

Definition of sulphanilamide in English:


A synthetic compound with antibacterial properties which is the basis of the sulphonamide drugs.
Example sentences
  • An early miss concerned the antibacterial properties of sulfanilamide, which were overlooked for more than 20 years, notably by chemists at I.G. Farbenindustrie who patented the recently synthesized compound in 1909.
  • The colorimetric determination of the reaction was achieved by adding 1 ml of sulphanilamide and 1 ml of aqueous 10 mM N - 1-naphthyl-ethylene-diamine-dihydrochloride.
  • After 10 or 20 min of incubation at 26°C, the reaction was stopped by the addition of an equal volume of sulphanilamide.


1930s: from sulphanilic (from sulphur + aniline + -ic) + amide.

Definition of sulphanilamide in:

Share this entry


What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day fortissimo
Pronunciation: fɔːˈtɪsɪməʊ
(especially as a direction) very loud or loudly