carbon fixation
Britishnoun
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The process in plants and algae by which atmospheric carbon dioxide is converted into organic carbon compounds, such as carbohydrates, usually by photosynthesis.
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See more at carbon cycle
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.
Much of this inorganic carbon fixation is carried out by microscopic life.
From Science Daily ● Dec. 10, 2025
If ammonia-oxidizing archaea are not responsible for as much carbon fixation as once believed, other microbes must be stepping in.
From Science Daily ● Dec. 10, 2025
This process is called carbon fixation, because CO2 is “fixed” from an inorganic form into organic molecules.
From Textbooks ● Jun. 9, 2022
Most ecosystems on Earth are powered from the base up by sunlight, which drives carbon fixation through photosynthesis.
From Scientific American ● Feb. 3, 2015
Alternatively, photosynthetic protists serve as producers of nutrition for other organisms by carbon fixation.
From Textbooks ● Apr. 25, 2013
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