- a white, crystalline, slightly water-soluble powder, C7H5NO3S, produced synthetically, which in dilute solution is 500 times as sweet as sugar: its soluble sodium salt is used as a noncaloric sugar substitute in the manufacture of syrups, foods, and beverages.
- a very sweet white crystalline slightly soluble powder used as a nonfattening sweetener. Formula: C 7 H 5 NO 3 S
