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chlorinate

American  
[klawr-uh-neyt, klohr-] / ˈklɔr əˌneɪt, ˈkloʊr- /

verb (used with object)

chlorinated, chlorinating
  1. Chemistry.

    1. to combine or treat with chlorine.

    2. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.

  2. to disinfect (water) by means of chlorine.

  3. Metallurgy. to treat (a gold ore) with chlorine gas in order that the gold may be removed as a soluble chloride.


chlorinate British  
/ ˈklɔːrɪˌneɪt /

verb

  1. to combine or treat (a substance) with chlorine

  2. to disinfect (water) with chlorine

"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

chlorinate Scientific  
/ klôrə-nāt′ /
  1. To add chlorine or one of its compounds to a substance. Water and sewage are chlorinated to be disinfected, and paper pulp is chlorinated to be bleached.


Other Word Forms

Etymology

Origin of chlorinate

First recorded in 1855–60; chlorine + -ate 1

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:

Namphy and his government colleagues raced to chlorinate water arriving in the camps.

From The Guardian Mar. 16, 2020

We chlorinate our water, so what’s the problem with using chlorine washes to make chicken safe?

From The Guardian Sep. 10, 2019

Residents now chlorinate it, boil it or filter it through rugs.

From New York Times Dec. 13, 2014

That move comes after actors in chicken outfits in one French protest troupe — dubbed the "chicken brigade" — tried to "chlorinate themselves" in a public pool.

From Chicago Tribune Dec. 5, 2014

Many a fight in the September-October push was waged by non-teetotal officers, who had nothing with which to disguise the hideous taste of chlorinate of lime in the drinking water.

From Pushed and the Return Push by George Herbert Fosdike Nichols

And note that people with diarrhea should not go to water parks or swimming pools: The parasite that causes cyclosporiasis can survive in chlorinated water, according to Egan.

From MarketWatch Jul. 14, 2026

After further investigation, those patterns were linked to chlorinated paraffins associated with MCCPs.

From Science Daily Apr. 11, 2026

According to the British agricultural press, more than 150,000 Brits have since signed petitions urging their supermarket chains to “publicly rule out chlorinated chicken.”

From Slate Feb. 13, 2026

When contacted by AFP, Migros, Switzerland's largest supermarket chain, said it "has no plans to stock chlorinated or chemically treated chicken on its shelves" as those birds did not meet Swiss "consumer expectations".

From Barron's Nov. 19, 2025

The fact that every meal we eat carries its load of chlorinated hydrocarbons is the inevitable consequence of the almost universal spraying or dusting of agricultural crops with these poisons.

From "Silent Spring" by Rachel Carson

The business manufactures and sells chemicals used in applications such as chlorinating water, recycling batteries and producing paper.

From The Wall Street Journal Oct. 3, 2025

Park officials are collecting more sampling to figure out the source of the bacteria and are also chlorinating water in the area again.

From Seattle Times Aug. 25, 2023

Some ideas include chlorinating or flushing out the material, Pestrella said.

From Los Angeles Times Oct. 11, 2021

He says with the rainy season under way, the government has in recent weeks taken steps to prevent a cholera outbreak by chlorinating wells in Monrovia.

From BBC Sep. 23, 2014

The marked activity of chloramine as a chlorinating agent could be predicated from its heat of formation, which is 8,230 calories.

From Chlorination of Water by Joseph Race

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