/ Dictionary / Index P precipitancy: Meaning and Definition of Find definitions for: pre•cip•i•tan•cy Pronunciation: (pri-sip'i-tun-sē), [key] — pl. -cies. the quality or state of being precipitant. headlong or rash haste. hasty or rash acts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: precipitancy (Thesaurus) precipitable water precipitant 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