verb (used with object), de·am·i·nat·ed, de·am·i·nat·ing. Chemistry.

to remove the amino group from (a compound).

Origin of deaminate

First recorded in 1910–15; de- + aminate
Related formsde·am·i·na·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for deamination


deaminize or deaminise


(tr) to remove one or more amino groups from (a molecule)
Derived Formsdeamination, deaminization or deaminisation, noun
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 deamination

1912, from de- + amine + -ation.

Online Etymology Dictionary, © 2010 Douglas Harper

deamination in Medicine




The removal of an amine group, usually by hydrolysis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.