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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.

The Clean Power Plan would have required states and energy companies to shift electricity production from higher-emitting to lower-emitting production methods to reduce carbon dioxide emissions.

From Salon • Apr. 25, 2026

It brings nutrients from the deep ocean up to the surface, supporting marine life, and carries carbon dioxide downward where it can be stored long-term.

From Science Daily • Apr. 22, 2026

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 EPA estimated the 2022 emissions from flooded lands as equivalent to 44.4 million metric tons of carbon dioxide — comparable to U.S. steel and iron plants.

From Los Angeles Times • Apr. 15, 2026

The animals and people in the town, as they breathed, would use up oxygen and produce carbon dioxide.

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