Meaning of phlorizin

phlor•i•zin

Pronunciation: (flôr'u-zin, flor'-, flu-rī'zin), [key]
— n. Chem.
  1. a bitter, crystalline glucoside, CHO, obtained from the root bark of the apple, pear, cherry, etc.: formerly used as a tonic and in the treatment of malaria; now used chiefly in biochemical research.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.