a solution, often containing antiseptic, astringent, and breath-sweetening agents, used for cleansing the mouth and teeth, and for gargling.
Origin of mouthwash
First recorded in 1830–40; mouth
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for mouthwash
Contemporary Examples of mouthwash
Historical Examples of mouthwash
Philippa demanded, as she mixed salt and water for a mouthwash.
He looked as though someone had put aluminum hydrogen sulfate in his mouthwash.
British Dictionary definitions for mouthwash
a medicated aqueous solution, used for gargling and for cleansing the mouth
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 mouthwash
also mouth-wash, 1840, from mouth (n.) + wash (n.).
Online Etymology Dictionary, © 2010 Douglas Harper
A medicated liquid for cleaning the mouth and treating diseased mucous membranes.collutory
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.