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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.

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

Together, the methane and carbon dioxide measurements point to a formation history that differs significantly from that of most comets that originated around our Sun.

From Science Daily • Jun. 4, 2026

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

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

From Science Daily • Jun. 2, 2026

An overwhelming richness of vegetation may have caused the level of oxygen to rise above today’s concentration, with a corresponding depletion of carbon dioxide.

From "The Lives of a Cell" by Lewis Thomas




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