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Containing NH2 combined with a nonacid organic radical: aminopyrine.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Chemistry) indicating the presence of an amino group: aminobenzoic acid.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
a•mi•no(əˈmi noʊ, ˈæm əˌnoʊ)
containing or pertaining to the univalent group –NH2.
[1900–05; independent use of amino-]
a combining form of amine used esp. in the names of chemical compounds containing the amino group: aminobenzoic acid.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.