precipitation
Americannoun
-
the act of precipitating; state of being precipitated.
-
a casting down or falling headlong.
-
a hastening or hurrying in movement, procedure, or action.
-
sudden haste.
-
unwise or rash rapidity.
-
Meteorology.
-
falling products of condensation in the atmosphere, as rain, snow, or hail.
-
the amount of rain, snow, hail, etc., that has fallen at a given place within a given period, usually expressed in inches or centimeters of water.
-
-
Chemistry, Physics. the precipitating of a substance from a solution.
noun
-
meteorol
-
rain, snow, sleet, dew, etc, formed by condensation of water vapour in the atmosphere
-
the deposition of these on the earth's surface
-
the amount precipitated
-
-
the production or formation of a chemical precipitate
-
the act of precipitating or the state of being precipitated
-
rash or undue haste
-
spiritualism the appearance of a spirit in bodily form; materialization
-
A form of water, such as rain, snow, or sleet, that condenses from the atmosphere, becomes too heavy to remain suspended, and falls to the Earth's surface. Different atmospheric conditions are responsible for the different forms of precipitation.
-
The process by which a substance is separated out of a solution as a solid. Precipitation occurs either by the action of gravity or through a chemical reaction that forms an insoluble compound out of two or more soluble compounds.
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of precipitation
First recorded in 1425–75; late Middle English, from Latin praecipitātiōn-, stem of praecipitātiō “a casting down headlong,” equivalent to praecipitāt(us) “cast down headlong” (past participle of praecipitāre see precipitate) + -iō -ion
Explanation
Precipitation is rain, snow, sleet, or hail — any kind of weather condition where something's falling from the sky. Precipitation has to do with things falling down, and not just from the sky. It's also what happens in chemical reactions when a solid settles to the bottom of a solution. If you have hard water where you live, you might find lime deposits — a flaky white crust — on your faucets and showerhead. That's caused by precipitation of the minerals in the water. The minerals settle out — they precipitate — and clog the pipes.
Vocabulary lists containing precipitation
ACT Vocabulary List
Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide!
Physical Geography - Introductory
Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use!
Weather and Climate - Introductory
Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time!
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
The datasets, gathered over decades, contain vital information about Earth systems, including greenhouse gases, clouds, precipitation and ice sheets.
From Barron's ● Jul. 20, 2026
Most are in northern Ontario and Quebec, where it has been hot and dry, as well as the Northwest Territories, which is experiencing a drought and received less than 40% of normal precipitation in June.
From The Wall Street Journal ● Jul. 17, 2026
Drought is a lack of precipitation, whereas water scarcity is about a mismatch between water supply and demand - so it is not just about the weather.
From BBC ● Jul. 15, 2026
The mountain thunderstorms are expected to continue Monday and Tuesday but should be accompanied by wetting rains that dampen fire risk, with about a tenth of an inch of precipitation, Molina said.
From Los Angeles Times ● Jul. 9, 2026
The annual precipitation in this land where the rains seldom fall is not enough to support good sod-forming grass; it favors rather the perennial bunch- grass that grows in the shelter of the sage.
From "Silent Spring" by Rachel Carson
![]()
It looked at both extreme events and low-onset climate change, including coastal erosion, marine flooding, sea-level rise and extremes, soil and groundwater salinization, inland flooding resulting from heavy precipitations, and permafrost thaw.
From Science Daily ● Oct. 19, 2023
They obtained a ton of pitchblende from the Austrian Government, began a long series of crushings, pulverizations, leachings, precipitations, crystallizations with apparatus at which a modern physicist would sneer.
From Time Magazine Archive
![]()
The roof constructed of these waterproof paper sheets proved itself to be a durable covering, being unimpenetrable to atmospheric precipitations, and soon several factories commenced manufacturing the paper.
From Scientific American Supplement, No. 821, September 26, 1891 by Various
Accretion by chemical precipitations, by welding, by pressure, by agglutination.
From Zoonomia, Vol. I Or, the Laws of Organic Life by Darwin, Erasmus
And perhaps in the end the slopes were more laden by the smaller precipitations which deposited a daily accretion.
From Mount Everest the Reconnaissance, 1921 by Howard-Bury, Charles Kenneth
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.