pron·​to·​sil ˈprän-tə-ˌsil How to pronounce prontosil (audio)
: any of three sulfonamide drugs:
: a red azo dye C12H13N5O2S that was the first sulfa drug tested clinically

called also prontosil rubrum

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Cite this Entry

“Prontosil.” Medical Dictionary, Merriam-Webster, Accessed 13 Apr. 2024.

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