A crystalline substance 500 times sweeter than sugar

• It's cold tea at home with sweetener
• Artificial sweetener
• Sweet stuff made in a lab

Wiktionary Word definitions in Wiktionary
n. (context chemistry English) a white, crystalline powder, C 7 H 5 NO 3 S, used as an artificial sweetener in food products

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Saccharine \Sac"cha*rine\ (? or ?), n. (Chem.) A trade name for benzoic sulphinide. [Written also saccharin .]

WordNet Word definitions in WordNet
n. a crystalline substance 500 times sweeter than sugar; used as a calorie-free sweetener

Wikipedia Word definitions in Wikipedia
Saccharin is an artificial sweetener with effectively no food energy which is about 300–400 times as sweet as sucrose or table sugar, but has a bitter or metallic aftertaste , especially at high concentrations. It is used to sweeten products such as drinks, ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
white crystalline compound used as a sugar substitute, 1885, from German, coined 1879 by Russian-born chemist Constantin Fahlberg (1850-1910), who discovered it by accident, from Latin saccharon (see saccharine ). Marketed from 1887 as saccharine .

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ Canderel is made with NutraSweet so, unlike some saccharin sweeteners, it doesn't have a bitter aftertaste. ▪ Figure 4.3 includes the test results for a pair of groups given pre-exposure to saccharin before being conditioned ...