[klawr-uh-neyt, klohr-]
verb (used with object), chlorinated, chlorinating.
to combine or treat with chlorine.
to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
to disinfect (water) by means of chlorine.
Metallurgy. to treat (a gold ore) with chlorine gas in order that the gold may be removed as a soluble chloride.

1855–60; chlorine + -ate1

chlorination, noun
chlorinator, noun
hyperchlorination, noun
postchlorination, adjective
unchlorinated, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
chlorinate (ˈklɔːrɪˌneɪt)
1.  to combine or treat (a substance) with chlorine
2.  to disinfect (water) with chlorine

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

chlorinate chlo·ri·nate (klôr'ə-nāt')
v. chlo·ri·nat·ed, chlo·ri·nat·ing, chlo·ri·nates
To treat or combine with chlorine or a chlorine compound.

chlo'ri·na'tion n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
chlorinate   (klôr'ə-nāt')  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Example sentences
Although some households in the community are starting to chlorinate the water, this is a relatively new concept.
Regularly chlorinate swimming pools and keep pumps and filters operating.
Contested in the courts, a city's right to chlorinate its water supply was upheld as a safeguard to public health.
To disinfect the distribution system chlorinate the source and pump or feed the water into the system.
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