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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.

Speaking to Sky News on Thursday, Business Secretary Peter Kyle said the availability of carbon dioxide was not a concern for the British economy "at this moment."

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

One of the most abundant organisms on Earth, algae captures carbon dioxide through photosynthesis and yields oil that theoretically could be used to make transportation fuel.

From The Wall Street Journal • Mar. 31, 2026

We are safe, well ventilated, and incubated, provided we can avoid technologies that might fiddle with that ozone, or shift the levels of carbon dioxide.

From "The Lives of a Cell" by Lewis Thomas