What does "carbon dioxide" mean?

The normal oxide of carbon, CO₂; a colorless, odorless gas formed during respiration and combustion and consumed by plants during photosynthesis.

What is a synonym for "carbon dioxide"?

Common synonyms include: carbonic acid gas, co2, acetylene, alcohol, ammonia, argon.

Pronounced //ˌkɑː.bən daɪˈɒk.saɪd//.

/ˌkɑː.bən daɪˈɒk.saɪd/ noun

noun ·Moderate ·College level

Noun

1
The normal oxide of carbon, CO₂; a colorless, odorless gas formed during respiration and combustion and consumed by plants during photosynthesis. uncountable
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2
a heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis wordnet

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