/ Dictionary / Index W water of constitution: Meaning and Definition of Find definitions for: wa'ter of constitu'tion Pronunciation: [key] — Chem. Chem. water present in a molecule that cannot be removed without disrupting the molecule. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. water oats water of crystallization Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language