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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One promising route involves converting carbon dioxide into carbon monoxide, which can then be transformed into fuels and chemicals using electricity from renewable sources.
—
Aamir Khollam, Interesting Engineering, 5 Nov. 2025
The Paris Agreement goals are based on long-term average temperatures, Olhoff explained, and in some scenarios the world might overshoot those targets in the short term but still be able to draw down carbon dioxide from the atmosphere if new emissions are eliminated.
—Jeff Young, MSNBC Newsweek, 4 Nov. 2025
Exxon aims to capture 90% of the carbon dioxide emissions emitted by natural gas plants that power data centers, Woods said.
—Spencer Kimball, CNBC, 31 Oct. 2025
Instead of pumping carbon dioxide gas into the air, the plant will liquefy the compound.
—Sophie Hartley, IndyStar, 30 Oct. 2025
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Aamir Khollam, Interesting Engineering, 5 Nov. 2025
The Paris Agreement goals are based on long-term average temperatures, Olhoff explained, and in some scenarios the world might overshoot those targets in the short term but still be able to draw down carbon dioxide from the atmosphere if new emissions are eliminated.
—Jeff Young, MSNBC Newsweek, 4 Nov. 2025
Exxon aims to capture 90% of the carbon dioxide emissions emitted by natural gas plants that power data centers, Woods said.
—Spencer Kimball, CNBC, 31 Oct. 2025
Instead of pumping carbon dioxide gas into the air, the plant will liquefy the compound.
—Sophie Hartley, IndyStar, 30 Oct. 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 10 Nov. 2025.
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