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
oxide
2 ENTRIES FOUND:
oxide
(noun)
nitrous oxide
(noun)
oxide
/
ˈ
ɑːkˌsaɪd/
noun
plural
oxides
oxide
/
ˈ
ɑːkˌsaɪd/
noun
plural
oxides
Britannica Dictionary definition of OXIDE
[
count, noncount
]
chemistry
:
a compound of oxygen and another substance
iron
oxide
[+] more examples
[-] hide examples
[+] Example sentences
[-] Hide examples
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
replenish
:
to fill or build up (something) again (
somewhat formal
)
Learn More »