The Collaborative International Dictionary
phloridzin
Phlorizin \Phlor"i*zin\, n. [Gr. ?, ?, bark + ? root.] (Chem.) A bitter white crystalline glucoside extracted from the root bark of the apple, pear, cherry, plum, etc. [Formerly also written phloridzin.]
Wiktionary
phloridzin
n. (alternative form of phlorizin English)