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[klawr-uh-meen, klohr-, klaw-ram-een, kloh-] /ˈklɔr əˌmin, ˈkloʊr-, klɔˈræm in, kloʊ-/
an unstable, colorless liquid, NH 2 Cl, with a pungent odor, derived from ammonia.
any of a class of compounds obtained by replacing a hydrogen atom of an =NH or −NH 2 group with chlorine.
Origin of chloramine
1890-95; chlor-2 + amine Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for chloramine
Historical Examples
  • Further experimental work showed that the increase was due to the formation of chloramine.

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

    Chlorination of Water Joseph Race
British Dictionary definitions for chloramine


an unstable colourless liquid with a pungent odour, made by the reaction of sodium hypochlorite and ammonia. Formula: NH2Cl
any compound produced by replacing hydrogen atoms in an azo or amine group with chlorine atoms
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
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chloramine in Science
  1. One of three bactericidal compounds that form when chlorine and ammonia react in water. Chloramines are used to purify drinking water, since they are more stable than chlorine and produce fewer harmful by-products.

  2. Any of various organic compounds containing a chlorine atom attached to a nitrogen atom, especially one of three sodium salts that are used as antiseptics and germicides. The most widely used is called chloramine-T.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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