Carbon Cycle Definition
noun
The cycle by which plants through photosynthesis use atmospheric carbon dioxide to produce carbohydrates, which are in turn metabolized by animals to decomposition products that return carbon dioxide to the atmosphere.
Webster's New World
A cyclic series of thermonuclear reactions in the interior of some stars, involving carbon as a catalyst and producing large quantities of energy by the transformation of hydrogen into helium.
Webster's New World
The physical cycle of carbon through the Earth’s biosphere, geosphere, hydrosphere and atmosphere that includes such processes as photosynthesis, decomposition, respiration and carbonification.
Wiktionary
Other Word Forms of Carbon Cycle
Noun
Singular:
carbon cycle
Plural:
carbon cycles
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