The Collaborative International Dictionary
Synanthrose
Synanthrose \Syn*an"throse"\, n. [From NL. Synanther[ae] the Composit[ae]; Gr. sy`n with + ? blooming.] (Chem.) A variety of sugar, isomeric with sucrose, found in the tubers of the Jerusalem artichoke ( Helianthus tuberosus), in the dahlia, and other Composit[ae].
Wiktionary
synanthrose
n. (context chemistry dated English) A variety of sugar, isomeric with sucrose, found in the tubers of the Jerusalem artichoke, in the dahlia, and in other Compositae.