prontosil

4 ENTRIES FOUND:

pron·to·sil

noun \ˈprän-tə-ˌsil\

Definition of PRONTOSIL

: any of three sulfonamide drugs: a : a red azo dye C12H13N5O2S that was the first sulfa drug tested clinically—called also prontosil rubrum b : sulfanilamide c : azosulfamide

Test Your Vocabulary

Take Our 10-Question Quiz

Name That Thing

Take our visual vocab quiz

Test Your Knowledge »

True or False?

A quick quiz about stuff worth knowing

Take It Now »

Join Us on FB & Twitter

Get the Word of the Day and More

Facebook | Twitter

Get Our Free Apps

Voice Search, Favorites,
Word of the Day, and More

iPhone | iPad | Android | More