chloramine

[klawr-uh-meen, klohr-, klaw-ram-een, kloh-]
noun
1.
an unstable, colorless liquid, NH 2 Cl, with a pungent odor, derived from ammonia.
2.
any of a class of compounds obtained by replacing a hydrogen atom of an =NH or −NH 2 group with chlorine.

Origin:
1890–95; chlor-2 + amine

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Collins
World English Dictionary
chloramine (ˈklɔːrəˌmiːn)
 
n
1.  an unstable colourless liquid with a pungent odour, made by the reaction of sodium hypochlorite and ammonia. Formula: NH2Cl
2.  any compound produced by replacing hydrogen atoms in an azo or amine group with chlorine atoms

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American Heritage
Science Dictionary
chloramine   (klôr'ə-mēn')  Pronunciation Key 
  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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Example sentences
Fresh and salt-water fish in aquaria are sensitive to chlorine and chloramine in water.
After water has been used for one purpose, it probably would not have enough residual chloramine to affect fish.
Even without added chlorine, chloramine will still dissipate eventually.
Over time, the chlorine or chloramine in the water causes the rubber to break down.
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