- sul|fa|guan|i|dine
- sul|fa|guan|i|dine «SUHL fuh GWAN uh deen, -dihn; -GWAH nuh-», noun.a sulfa drug of the sulfonamide group, a white, crystalline powder, comparatively nontoxic, and used chiefly against bacillary dysentery. Formula: C7H10N4O2S•H2O
Useful english dictionary. 2012.