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
Recent Examples on the Web
The facility helps avoid carbon dioxide emissions equivalent to removing more than 1 million cars off the road each year.
—
Prabhat Ranjan Mishra, Interesting Engineering, 27 Mar. 2026
Similarly, as the astronauts breathe oxygen on board, carbon dioxide will have to be vented, which puts a force on the vehicle.
—Katie Hunt, CNN Money, 26 Mar. 2026
The airline's pilots would have to cut their aircraft's carbon dioxide emissions by 60,000 tons more than their 2025 levels to receive a bonus worth 1% of their base pay, according to documents viewed by Bloomberg News and reported on Tuesday.
—Sawdah Bhaimiya, CNBC, 26 Mar. 2026
Pilots would collectively need to reduce their jets’ carbon dioxide emissions by 60,000 tons above 2025 levels to unlock a bonus that could equal 1% of their basic salary, according to a document seen by Bloomberg News.
—Kate Duffy, Bloomberg, 25 Mar. 2026
See All Example Sentences for carbon dioxide
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Prabhat Ranjan Mishra, Interesting Engineering, 27 Mar. 2026
Similarly, as the astronauts breathe oxygen on board, carbon dioxide will have to be vented, which puts a force on the vehicle.
—Katie Hunt, CNN Money, 26 Mar. 2026
The airline's pilots would have to cut their aircraft's carbon dioxide emissions by 60,000 tons more than their 2025 levels to receive a bonus worth 1% of their base pay, according to documents viewed by Bloomberg News and reported on Tuesday.
—Sawdah Bhaimiya, CNBC, 26 Mar. 2026
Pilots would collectively need to reduce their jets’ carbon dioxide emissions by 60,000 tons above 2025 levels to unlock a bonus that could equal 1% of their basic salary, according to a document seen by Bloomberg News.
—Kate Duffy, Bloomberg, 25 Mar. 2026
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 2 Apr. 2026.
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