sul·​fa·​nil·​amide | \ˌsəl-fə-ˈni-lə-ˌmīd, -məd \

Definition of sulfanilamide 

: a crystalline sulfonamide C6H8N2O2S that is the parent compound of most of the sulfa drugs

Examples of sulfanilamide in a Sentence

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Geiling and his lab of graduate students, including Kelsey, set out to determine what exactly in the elixir was killing people: the solvent, the flavor or the sulfanilamide. Leila Mcneill, Smithsonian, "The Woman Who Stood Between America and an Epidemic of Birth Defects," 8 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'sulfanilamide.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of sulfanilamide

1937, in the meaning defined above

History and Etymology for sulfanilamide

sulfanilic acid (C6H7NO3S, from International Scientific Vocabulary sulf- + aniline + -ic) + amide

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The first known use of sulfanilamide was in 1937

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More Definitions for sulfanilamide


variants: or chiefly British sulphanilamide \ ˌsəl-​fə-​ˈnil-​ə-​ˌmīd , -​məd \

Medical Definition of sulfanilamide 

: a crystalline sulfonamide C6H8N2O3S that is the amide of sulfanilic acid and the parent compound of most of the sulfa drugs

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