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amino-

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  1. a combining form used in the names of chemical compounds in which the amino group is present: aminobenzene.
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Also -amine; especially before a vowel, amin-.

Origin of amino-

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for amino-

amino-

combining form
  1. indicating the presence of an amino groupaminobenzoic acid
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Word Origin

from amine
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.

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Online Etymology Dictionary, © 2010 Douglas Harper

amino- in Medicine

amino-

pref.
  1. Containing the radical NH2 combined with a nonacid organic radical:aminobenzoic acid.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.