noun, plural am·mo·nol·y·ses [am-uh-nol-uh-seez] /ˌæm əˈnɒl əˌsiz/. Chemistry.
  1. decomposition in which ammonia is resolved into other compounds by being a source of H+ and NH2.

Origin of ammonolysis

First recorded in 1910–15; ammono- + -lysis
Related formsam·mo·no·lit·ic [uh-mohn-l-it-ik, am-uh-nl-] /əˌmoʊn lˈɪt ɪk, ˌæm ə nl-/, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for ammonolysis


  1. chem solvolysis in liquid ammonia
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

ammonolysis in Medicine


  1. The breaking of a chemical bond by ammonia during which an amino group is added at the point of breakage.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.