[ suhl-fuh-nil-uh-mahyd, -mid ]
/ ˌsʌl fəˈnɪl əˌmaɪd, -mɪd /

noun Pharmacology.

a white, crystalline amide of sulfanilic acid, C6H8N2O2S, formerly used in the treatment of bacterial infections: replaced by its derivatives and by antibiotics.

Origin of sulfanilamide

First recorded in 1935–40; sulfanil(ic acid) + amide Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for sulfanilamide


[ sŭl′fə-nĭlə-mīd′, -mĭd ]


A white, odorless crystalline sulfonamide used in the treatment of various bacterial infections.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.