precipitation

noun

Synonyms of precipitation
1
: the quality or state of being precipitate : hastiness
2
: an act, process, or instance of precipitating
especially : the process of forming a precipitate
3
: something precipitated: such as
a
: a deposit on the earth of hail, mist, rain, sleet, or snow
also : the quantity of water deposited

Examples of precipitation in a Sentence

The weather forecast calls for some sort of frozen precipitation tomorrow—either snow or sleet. a 50 percent chance of precipitation Minerals are separated from the seawater by precipitation.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Great news for runners who lace up at the first sign of precipitation! Kelsey Fogarty, PC Magazine, 25 June 2026 As of now, the chances of precipitation are extremely low. Lauren Bostwick, CBS News, 28 June 2026 Their concerns are heightened by the fact that the region is heading into peak fire season after four months with minimal precipitation. Connor Sheets, Los Angeles Times, 26 June 2026 By May, almost every corner of the state had accumulated a precipitation shortfall of at least a foot since the fall of 2025, when the drought began. Drew Kann, AJC.com, 24 June 2026 See All Example Sentences for precipitation

Word History

First Known Use

1502, in the meaning defined at sense 1

Time Traveler
The first known use of precipitation was in 1502

Cite this Entry

“Precipitation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/precipitation. Accessed 8 Jul. 2026.

Kids Definition

precipitation

noun
1
: unwise haste
2
: the process of precipitating or of forming a precipitate
3
: water or the amount of water that falls to the earth as hail, mist, rain, sleet, or snow

Medical Definition

precipitation

noun
1
a
: the process of forming a precipitate from a solution
b
: the process of precipitating or removing solid or liquid particles from a smoke or gas by electrical means
2

More from Merriam-Webster on precipitation

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster