sul·​fon·​amide | \ ˌsəl-ˈfä-nə-ˌmīd How to pronounce sulfonamide (audio) , -məd; -ˈfō-nə-ˌmīd \

Definition of sulfonamide

: any of various amides (such as sulfanilamide) of a sulfonic acid also : sulfa drug

Examples of sulfonamide in a Sentence

Recent Examples on the Web The researchers examined which children had been given prescriptions for penicillin, penicillin with B-lactamase inhibitor, cephalosporin, sulfonamide or macrolide within the first six months of life. Jacqueline Howard, CNN, "Antibiotics in infancy tied to allergies in childhood, new research suggests," 20 Dec. 2019 Any positive test results for sulfonamides could be the result of leftover antibiotics from that time or intentional misuse, Jonker said. Rebekah Tuchscherer, USA TODAY, "Study finds residue of pesticides, antibiotics and growth hormone in non-organic milk," 26 June 2019 Other antibiotics found to raise the risk of miscarriage include most macrolides, quinolones, tetracyclines, sulfonamides and metronidazole. Paul Sisson,, "Some antibiotics significantly increase risk of miscarriages, big study finds," 2 May 2017

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

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First Known Use of sulfonamide

1881, in the meaning defined above

History and Etymology for sulfonamide

sulfonic + amide

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Time Traveler for sulfonamide

Time Traveler

The first known use of sulfonamide was in 1881

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Statistics for sulfonamide

Cite this Entry

“Sulfonamide.” Dictionary, Merriam-Webster, Accessed 19 Sep. 2020.

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More Definitions for sulfonamide


variants: or chiefly British sulphonamide \ ˌsəl-​ˈfän-​ə-​ˌmīd How to pronounce sulphonamide (audio) , -​məd; -​ˈfō-​nə-​ˌmīd How to pronounce sulphonamide (audio) \

Medical Definition of sulfonamide

: any of various amides (as sulfanilamide) of a sulfonic acid also : sulfa drug

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