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mouthwash

[ mouth-wawsh, -wosh ]
/ ˈmaʊθˌwɔʃ, -ˌwɒʃ /
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noun

a solution, often containing antiseptic, astringent, and breath-sweetening agents, used for cleansing the mouth and teeth, and for gargling.

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Also called collutory, collutorium.

Origin of mouthwash

First recorded in 1830–40; mouth + wash
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for mouthwash

mouthwash
/ (ˈmaʊθˌwɒʃ) /

noun

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

Medical definitions for mouthwash

mouthwash
[ mouthwŏsh′ ]

n.

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.
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