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English definition of “mouthwash”

mouthwash

noun [C or U]     /ˈmaʊθ.wɒʃ/ US  /-wɑːʃ/
a liquid used for keeping the mouth clean and smelling fresh Toiletry and perfumes
(Definition of mouthwash noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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