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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.

Power suppliers have previously been required to keep the operating rate of coal-fired thermal power stations that emit large amounts of carbon dioxide at or below 50 percent.

From Barron's • Mar. 27, 2026

The World Meteorological Organization says that our planet is gaining much more heat energy than it can release, driven by emissions of warming gases such as carbon dioxide.

From BBC • Mar. 23, 2026

To understand how mosquitoes navigate, scientists used 3D infrared cameras to observe how the insects moved around objects using visual signals and carbon dioxide.

From Science Daily • Mar. 22, 2026

Understanding of how carbon dioxide warms the atmosphere goes back more than a century.

From Los Angeles Times • Mar. 19, 2026

“And it’s all because of climate change. Burning fossil fuels puts carbon dioxide in the atmosphere, which traps the earth’s heat.”

From "Two Degrees" by Alan Gratz