/ Dictionary / Index P polyalcohol: Meaning and Definition of Find definitions for: pol•y•al•co•hol Pronunciation: (pol"ē-al'ku-hôl", -hol"), [key] — n. Chem. polyol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polyadenylic acid polyalphabetic substitution Related Content Daily Word Quiz: modify Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language