/ Dictionary / Index P pinitol: Meaning and Definition of Find definitions for: pi•ni•tol Pronunciation: (pī'ni-tôl", -tol", pin'i-), [key] — n. Chem. a white, crystalline, inositol derivative, CHO, obtained from the resin of the sugar pine. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pinite pink Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language