pu·​ri·​fi·​ca·​tion | \ˌpyu̇r-ə-fə-ˈkā-shən \

Definition of purification 

: the act or an instance of purifying or of being purified

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Synonyms for purification


cleansing, sanctification

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Examples of purification in a Sentence

some people must undergo a ritual purification after certain activities

Recent Examples on the Web

As the Bible tells it, on the Jewish Day of Atonement, Aaron confessed the sins of the children of Israel over the head of a goat, and then the goat was sent into the wilderness as a symbolic act of purification. Ben Zimmer, WSJ, "‘Scapegoat’: A Word for Unfair Blame, From the Bible to the Beltway," 24 Aug. 2018 Tip: Warshaw recommends water purification tablets in case the water supply becomes tainted. Melissa Kossler Dutton, The Seattle Times, "Wildfire haze is good reminder to update your go-bag. Here’s how," 21 Aug. 2018 And in Israel, Pruitt was scheduled to unveil an agreement with Water-Gen, an Israeli water purification company championed by Adelson. Anchorage Daily News, "Influential outsiders played a key role in EPA administrator’s travel," 4 May 2018 And Loy wrapped up another big deal last month: the $355 million acquisition of SAES Pure Gas, a maker of gas-purification equipment. BostonGlobe.com, "Demand for chips is insatiable, and that’s just fine with Entegris," 9 July 2018 Based in Milwaukee, A. O. Smith Corp. manufactures residential and commercial water heating equipment, as well as water treatment and air purification products. Stephanie Morse, Milwaukee Journal Sentinel, "Kevin Wheeler to become next CEO of Milwaukee water technology company A.O. Smith," 11 July 2018 Make sure to change the water every season, though, and pack at least two methods of purification. Nick Davidson, Outside Online, "The Ultimate DIY Bug-Out Bag," 27 June 2018 There are more than 100 nonprofits with missions that include education, water purification and health care for the poor. Ann Mauze, WSJ, "If You’re Thinking of Retiring in San Miguel de Allende," 19 Apr. 2018 So electric motors, batteries, air purification and air temperature, and circulation is a key thing of ours. Dan Frommer, Recode, "Afternoon tea with Sir James Dyson," 16 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'purification.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of purification

14th century, in the meaning defined above

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Statistics for purification

Last Updated

15 Nov 2018

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Time Traveler for purification

The first known use of purification was in the 14th century

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More Definitions for purification


pu·​ri·​fi·​ca·​tion | \ˌpyu̇r-ə-fə-ˈkā-shən \

Kids Definition of purification

: an act or instance of freeing from impurities or of being freed from impurities

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Comments on purification

What made you want to look up purification? Please tell us where you read or heard it (including the quote, if possible).


to enclose within walls

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