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90s Slang You Should Know


[mouth-wawsh, -wosh] /ˈmaʊθˌwɔʃ, -ˌwɒʃ/
a solution, often containing antiseptic, astringent, and breath-sweetening agents, used for cleansing the mouth and teeth, and for gargling.
Also called collutory, collutorium.
Origin of mouthwash
First recorded in 1830-40; mouth + wash Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for mouthwash
Contemporary Examples
Historical Examples
  • Philippa demanded, as she mixed salt and water for a mouthwash.

    Chivalry James Branch Cabell
  • He looked as though someone had put aluminum hydrogen sulfate in his mouthwash.

    A Spaceship Named McGuire Gordon Randall Garrett
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
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Word Origin and History for mouthwash

also mouth-wash, 1840, from mouth (n.) + wash (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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mouthwash in Medicine

mouthwash mouth·wash (mouth'wŏsh')
A medicated liquid for cleaning the mouth and treating diseased mucous membranes. Also called 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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