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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

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

In other words, less carbon dioxide release may sometimes signal a loss of ecosystem resilience rather than an environmental benefit.

From Science Daily • Jun. 2, 2026

Alternatives made from used cooking oil, cover crops and even captured carbon dioxide would have eased pressures on the beleaguered industry—if only there had been enough to go round.

From The Wall Street Journal • Jun. 2, 2026

Mars has an atmosphere, but a very thin one, and it is composed mostly of carbon dioxide, so astronauts would have to bring their own oxygen to breathe.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins




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