/ Dictionary / Index P precipitable water: Meaning and Definition of Find definitions for: precip'itable wa'ter Pronunciation: [key] the total water vapor contained in a unit vertical column of the atmosphere. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. precipitable precipitancy Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language