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[nahy-tril, -treel, -trahyl] /ˈnaɪ trɪl, -tril, -traɪl/
noun, Chemistry.
any of a class of organic compounds with the general formula RC≡N.
Origin of nitrile
1840-50; nitr- + -ile, perhaps variant of -yl Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for nitrile


/ˈnaɪtrɪl; -traɪl/
any one of a class of organic compounds containing the monovalent group -CN Also called (not in technical usage) cyanide
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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nitrile in Medicine

nitrile ni·trile or ni·tril (nī'trəl)
An organic cyanide containing a CN group.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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nitrile in Science
nitrile also nitril
An organic compound, such as acrylonitrile, containing the cyanide group CN. Nitriles are typically colorless solids or liquids and have a distinctive smell.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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