The Britannica Dictionary
mobile search
Home
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
×
Britannica Homepage
Ask the Editor
Word of the Day
Quizzes
Core Vocabulary
Browse the Dictionary
The Britannica Dictionary
mouthwash
1 ENTRIES FOUND:
mouthwash
(noun)
mouthwash
/
ˈ
maʊθˌwɑːʃ/
noun
plural
mouthwashes
mouthwash
/
ˈ
maʊθˌwɑːʃ/
noun
plural
mouthwashes
Britannica Dictionary definition of MOUTHWASH
[
count, noncount
]
:
a liquid that is used to clean your mouth and teeth and to make your breath smell better
ASK THE EDITOR
What are the plural forms of
check-in
,
passerby
, and
spoonful
?
See the answer »
QUIZZES
Vocabulary Quiz
Test your word power
Take the Quiz »
Name That Thing
Take our visual quiz
Test Your Knowledge »
WORD OF THE DAY
emulate
:
to try to be like (someone or something you admire)
Learn More »