synanthrose

Century Dictionary and Cyclopedia

1. n. Same as levulin.

Wiktionary

1. n. chemistry, dated A variety of sugar, isomeric with sucrose, found in the tubers of the Jerusalem artichoke, in the dahlia, and in other Compositae.

GNU Webster's 1913

1. n. (Chem.) A variety of sugar, isomeric with sucrose, found in the tubers of the Jerusalem artichoke (Helianthus tuberosus), in the dahlia, and other Compositæ.