[ pri-sip-i-tuh nt ]
/ prɪˈsɪp ɪ tənt /


falling headlong.
rushing headlong, rapidly, or hastily onward.
hasty; rash.
unduly sudden or abrupt.


Chemistry. anything that causes precipitation.

Nearby words

  1. precipe,
  2. precipice,
  3. precipitable,
  4. precipitable water,
  5. precipitancy,
  6. precipitate,
  7. precipitate labor,
  8. precipitation,
  9. precipitation hardening,
  10. precipitin

Origin of precipitant

1600–10; < Latin praecipitant- (stem of praecipitāns), present participle of praecipitāre to cast down headlong. See precipitate, -ant

Related formspre·cip·i·tant·ly, adverbun·pre·cip·i·tant, adjectiveun·pre·cip·i·tant·ly, adverb Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for precipitant

British Dictionary definitions for precipitant


/ (prɪˈsɪpɪtənt) /


hasty or impulsive; rash
rushing or falling rapidly or without heed
abrupt or sudden


chem a substance or agent that causes a precipitate to form
Derived Formsprecipitance or precipitancy, nounprecipitantly, adverb

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for precipitant



1610s, from Latin precipitantem, present participle of praecipitare (see precipitate (v.)). As a noun in chemistry from 1680s. The adjective senses now are taken by precipitate (adj.).

Online Etymology Dictionary, © 2010 Douglas Harper

Medicine definitions for precipitant


[ prĭ-sĭpĭ-tənt ]


A substance that causes a precipitate to form when it is added to a solution.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.