a combining form used in the names of chemical compounds in which the amino group is present: aminobenzene.
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British Dictionary definitions for amino-
indicating the presence of an amino groupaminobenzoic acid
Word Origin for amino-
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
Word Origin and History for amino-
1887, as an element in compound words involving chemicals, from comb. form of amine. Amino acid is attested from 1898.
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for amino-
Containing the radical NH2 combined with a nonacid organic radical:aminobenzoic acid.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.