carbon dioxide
noun
: a heavy colorless gas CO2 that does not support combustion, dissolves in water to form carbonic acid, is formed especially in animal respiration and in the decay or combustion of animal and vegetable matter, is absorbed from the air by plants in photosynthesis, and is used in the carbonation of beverages
Examples of carbon dioxide in a Sentence
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Depending on the vehicle category, the production of gasoline and hybrid automobiles emits 6 to 9 metric tonnes of carbon dioxide, according to a study published in the scientific journal IOP Science.
—
Peter Lyon, Forbes.com, 14 June 2025
Greenhouse gases such as carbon dioxide build up in the atmosphere, trapping heat and causing global warming.
—Noelle Phillips, Denver Post, 13 June 2025
Officials said the solar system will generate over three million kilowatt hours of renewable energy each year, offsetting more than 1,500 metric tons of carbon dioxide annually — the equivalent of saving more than 156,000 gallons of gasoline burned.
—Stephen Underwood, Hartford Courant, 11 June 2025
Other areas of Mars contain dust storms made of carbon dioxide clouds.
—Kenna Hughes-Castleberry, Space.com, 9 June 2025
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Peter Lyon, Forbes.com, 14 June 2025
Greenhouse gases such as carbon dioxide build up in the atmosphere, trapping heat and causing global warming.
—Noelle Phillips, Denver Post, 13 June 2025
Officials said the solar system will generate over three million kilowatt hours of renewable energy each year, offsetting more than 1,500 metric tons of carbon dioxide annually — the equivalent of saving more than 156,000 gallons of gasoline burned.
—Stephen Underwood, Hartford Courant, 11 June 2025
Other areas of Mars contain dust storms made of carbon dioxide clouds.
—Kenna Hughes-Castleberry, Space.com, 9 June 2025
See All Example Sentences for carbon dioxide
Cite this Entry
“Carbon dioxide.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carbon%20dioxide. Accessed 21 Jun. 2025.
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