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carbon dioxide
[ kahr-buhn dahy-ok-sahyd ]
noun
- a colorless, odorless, incombustible gas, CO 2 , present in the atmosphere and formed during respiration, usually obtained from coal, coke, or natural gas by combustion, from carbohydrates by fermentation, by reaction of acid with limestone or other carbonates, or naturally from springs: used extensively in industry as dry ice, or carbon dioxide snow, in carbonated beverages, fire extinguishers, etc.
carbon dioxide
noun
- a colourless odourless incombustible gas present in the atmosphere and formed during respiration, the decomposition and combustion of organic compounds, and in the reaction of acids with carbonates: used in carbonated drinks, fire extinguishers, and as dry ice for refrigeration. Formula: CO 2 Also calledcarbonic-acid gas
carbon dioxide
- A colorless, odorless gas that is present in the atmosphere and is formed when any fuel containing carbon is burned. It is breathed out of an animal's lungs during respiration, is produced by the decay of organic matter, and is used by plants in photosynthesis. Carbon dioxide is also used in refrigeration, fire extinguishers, and carbonated drinks. Chemical formula: CO 2 .
Notes
Word History and Origins
Origin of carbon dioxide1
Compare Meanings
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Example Sentences
For example, methane is of particular relevance to the global greenhouse effect because its warming potential is 25 times higher than that of carbon dioxide.
This is a region that has historically helped to buffer the world from further warming, by absorbing some of the carbon dioxide produced from human activities.
But when trees die, the wood rots and the stored carbon dioxide is released back into the air.
But when wood burns, it only leaves water and carbon dioxide behind.
Industrial plants, such as those that make cement or steel, emit copious amounts of carbon dioxide, a potent greenhouse gas, but the exhaust is too hot for state-of-the-art carbon removal technology.
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