n. The general name of any crystalline sugar having the formula C12H22O11 which suffers hydrolysis on heating with water or dilute mineral acid, each molecule yielding two molecules of a glucose.n. Specifically, the ordinary pure sugar of commerce, obtained from the sugar-cane or sorghum, from the beet-root, and from the sap of a species of maple.n. A trade-name of the sodium salt of saccharin. See saccharin, 2.