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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.
saccharin sac·cha·rin (sāk'ər-ĭn)
A white crystalline powder having a taste about 500 times sweeter than cane sugar, used as a calorie-free sweetener. Also called benzosulfimide.