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carbon dioxide

Line breaks: car¦bon di|ox¦ide

Definition of carbon dioxide in English:

noun

[mass noun]
A colourless, odourless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 per cent) and is absorbed by plants in photosynthesis.
Example sentences
  • This fixed air is carbon dioxide, into which carbonates decompose when heated.
  • For example, plants give out oxygen and animals expel carbon dioxide and methane.
  • This difference makes it possible for organisms to build up carbon compounds from carbon dioxide.

Definition of carbon dioxide in:

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Pronunciation: ôrˈTHōəpē
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