/ Dictionary / Index P phlorizin: Meaning and Definition of Find definitions for: phlor•i•zin Pronunciation: (flôr'u-zin, flor'-, flu-rī'zin), [key] — n. Chem. 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. phlogopite phloroglucinol Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language