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Definitions

carbon dioxide

[kahr-buhn dahy-ok-sahyd] / ˈkɑr bən daɪˈɒk saɪd /
NOUN
colorless odorless gas
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Perhaps the best-known examples of fermentation are in baking and brewing, where yeast breaks down sugar into ethanol and carbon dioxide.

From BBC • Jun. 4, 2026

Water is less volatile than methane or carbon dioxide, which means its gas production shuts down more quickly as the comet cools.

From Science Daily • Jun. 4, 2026

Not only do they store up to five times more carbon dioxide than land-based forests, but their tangled roots can also slow down waves and protect coastal communities from storm surges and tsunamis.

From BBC • Jun. 4, 2026

Lower carbon dioxide emissions from soil in these areas often reflect declining root activity and shrinking microbial populations.

From Science Daily • Jun. 2, 2026

I watch him convert oxygen to carbon dioxide.

From "I'll Give You the Sun" by Jandy Nelson




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