precipitation

noun

pre·​cip·​i·​ta·​tion pri-ˌsi-pə-ˈtā-shən How to pronounce precipitation (audio)
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.
Storms, on the other hand, usually show more irregular shapes, often with strong echoes and rapid changes in intensity, and are accompanied by other weather signals like clouds, lightning and precipitation. Brandi D. Addison, Nashville Tennessean, 26 Sep. 2025 The rain is expected to bring higher precipitation totals to the North Bay and lower in the South Bay. Caelyn Pender, Mercury News, 26 Sep. 2025 On the other side of the coin, this pair’s tight herringbone knit holds up admirably under strong wind guests, sheds light precipitation with ease, and stays surprisingly warm. Alice Bennett, Travel + Leisure, 25 Sep. 2025 According to Infanti, some typical impacts of a La Niña winter can include cooler temperatures over the northern United States, and diminished storm track activity over the southern tier of the United States leading to milder-than-normal temperatures and below-normal precipitation. Jade Jackson, IndyStar, 25 Sep. 2025 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

Browse Nearby Words

Cite this Entry

“Precipitation.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/precipitation. Accessed 5 Oct. 2025.

Kids Definition

precipitation

noun
pre·​cip·​i·​ta·​tion pri-ˌsip-ə-ˈtā-shən How to pronounce precipitation (audio)
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
pre·​cip·​i·​ta·​tion pri-ˌsip-ə-ˈtā-shən How to pronounce precipitation (audio)
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

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