a gas without colour or smell, produced when you breathe out or when substances containing carbon are burnt. The fact that the earth is getting hotter because of carbon dioxide in the atmosphere is called the greenhouse effect.
Synonyms and related words
Pollutants
acid rain
carbon
carbon dioxide
Synonyms and related words
Gases
acetylene
ammonia
argon
carbon dioxide
noun uncountable chemistry
US /ˌkɑrbən daɪˈɑkˌsaɪd/
Other entries for this word
carbondioxide at global warming
Carbondioxide at greenhouse gas
DEFINITIONS1
1
a gas without color or smell, produced when you breathe out or when substances containing carbon are burnt. The fact that the earth is getting hotter because of carbon dioxide in the atmosphere is called the greenhouse effect.