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Prontosil Line breaks: Pron¦to|sil
Pronunciation: /ˈprɒntəsɪl/

Definition of Prontosil in English:


[mass noun] Medicine , historical
The first sulphonamide antibiotic, a reddish-brown crystalline pigment formerly used to treat a range of infections.


1930s: from German, an invented proprietary name.

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