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[uh-meen, am-in] /əˈmin, ˈæm ɪn/
noun, Chemistry
any of a class of compounds derived from ammonia by replacement of one or more hydrogen atoms with organic groups.
Origin of amine
1860-65; am(monium) + -ine2
Related forms
[uh-mee-nik, uh-min-ik] /əˈmi nɪk, əˈmɪn ɪk/ (Show IPA),
[uh-min-i-tee] /əˈmɪn ɪ ti/ (Show IPA),
noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for amines
  • Carboxylic acids also react with alcohols and amines to give esters and amides.
British Dictionary definitions for amines


/əˈmiːn; ˈæmɪn/
an organic base formed by replacing one or more of the hydrogen atoms of ammonia by organic groups
Word Origin
C19: from am(monium) + -ine²
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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Word Origin and History for amines



"compound in which one of the hydrogen atoms of ammonia is replaced by a hydrocarbon radical," 1863, from ammonia + chemical suffix -ine (2).

Online Etymology Dictionary, © 2010 Douglas Harper
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amines in Medicine

amine a·mine (ə-mēn', ām'ēn)
Any of a group of organic compounds of nitrogen that may be considered ammonia derivatives in which one or more hydrogen atoms have been replaced by one or more hydrocarbon radicals.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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amines in Science
  (ə-mēn', ām'ēn)   
Any of a group of organic compounds that may be considered derivatives of ammonia (NH3) in which one or more hydrogen atoms have been replaced by a hydrocarbon radical. In aniline (C6H5NH2), for example, one hydrogen atom has been replaced by a phenyl group (C6H5). Amines are produced by the decay of organic matter.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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