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
carbon monoxide
1 ENTRIES FOUND:
carbon monoxide
(noun)
carbon monoxide
/-mə
ˈ
nɑkˌsaɪd/
noun
carbon monoxide
/-mə
ˈ
nɑkˌsaɪd/
noun
Britannica Dictionary definition of CARBON MONOXIDE
[
noncount
]
:
a poisonous gas that is formed when carbon is not completely burned and especially when gasoline is burned in car engines
ASK THE EDITOR
Does 'namely' have the same meaning as 'named'?
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
emote
:
to express emotion in a very dramatic or obvious way
Learn More »