saccharonChem.|ˈsækərən| Also -one. [f.Gr. σάκχαρ-ον sugar: see -on.] 1. A white crystalline substance obtained by the oxidation of saccharin; the lactone of saccharonic acid. 1897in Syd. Soc.Lex. 2. An oily liquid obtained by the reduction of saccharin. In recent Dicts.