/ Dictionary / Index P phenyldiethanolamine: Meaning and Definition of Find definitions for: phen•yl•di•eth•a•nol•a•mine Pronunciation: (fen"l-dī-eth"u-nô'lu-mēn", -nol'u-, fēn"-), [key] — n. Chem. a white, crystalline, slightly water-soluble substance, CHNO, used in the manufacture of dyes and in organic synthesis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phenylcarbinol phenylene Related Content Daily Word Quiz: simian Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language