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Definition of: sulfonamide
(sul·fon′ə·mīd, sul′fən·am′īd, -id) noun Chem.
Any group of organic compounds containing the univalent radical SO2NH2, especially those derived from para-aminobenzene-sulfonamide, p-H2N·C6H4·SO2NH2, used in the treatment of certain bacterial infections. [<SULFON(E) + AMIDE]
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