Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to ammonium: ammonium nitrate, ammonia, ammonium alum, ammonium oxalate, Ammonium persulfate
The univalent chemical ion NH4+, derived from ammonia, whose compounds chemically resemble the alkali metals.
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) (modifier) of, consisting of, or containing the monovalent group NH4– or the ion NH4+: ammonium compounds.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
am•mo•ni•um(əˈmoʊ ni əm)
the univalent ion, NH4 + , or group, NH4, which plays the part of a metal in the salt formed when ammonia reacts with an acid.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
A positively charged ion, NH4, derived from ammonia and found in a wide variety of organic and inorganic compounds.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A. N → amonio m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005
ammonium[əˈməʊnɪəm] n → ammonio
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995
ammoniumn amonio; — carbonate carbonato de amonio, carbonato amónico (esp. Esp)
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.