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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.

A government source told the BBC it was planning for a worst case scenario, which would involve the continued closure of the strait and breakdowns in the domestic supply of carbon dioxide.

From BBC • Apr. 16, 2026

The research shows that forests across the continent, long known for pulling carbon dioxide out of the atmosphere, have reversed course and are now contributing to emissions.

From Science Daily • Apr. 13, 2026

Catalytic converters turn toxic gases into water vapor and carbon dioxide, making car exhaust fumes less environmentally damaging.

From Los Angeles Times • Apr. 3, 2026

Under the EU’s emissions-trading system, or ETS, companies whose operations emit climate-changing carbon dioxide must pay for a permit for each metric ton they emit.

From The Wall Street Journal • Apr. 1, 2026

Like Venus, the Earth also has a greenhouse effect due to its carbon dioxide and water vapor.

From "Cosmos" by Carl Sagan