quaternary ammonium compound
Also found in: Thesaurus, Medical, Legal, Acronyms, Encyclopedia, Wikipedia.
quaternary ammonium compound
n.
Any of a group of compounds composed of a cation, in which a central nitrogen atom is joined to four organic groups, and any of various anions, used as antiseptics, solvents, and emulsifying agents.
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.
quaternary ammonium compound
n
(Elements & Compounds) a type of ionic compound that can be regarded as derived from ammonium compounds by replacing the hydrogen atoms with organic groups
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
quat′ernary ammo′nium com`pound
n.
any of a class of salts derived from ammonium in which the nitrogen atom is attached to four organic groups; used as antiseptics and disinfectants.
[1815–25]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Switch to new thesaurus
Noun | 1. | quaternary ammonium compound - a compound derived from ammonium with hydrogen atoms replaced by organic groups; used as surface-active agents, disinfectants, and in drugs organic compound - any compound of carbon and another element or a radical |
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.