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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

Each year, more than 275 million tons of it are converted into carbon dioxide, adding to global warming and creating a feedback loop that can intensify climate change.

From Science Daily • Apr. 4, 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

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