Definition of carbon cycle noun from the Oxford Advanced Learner's Dictionary


carbon cycle

BrE BrE//ˈkɑːbən saɪkl//
; NAmE NAmE//ˈkɑːrbən saɪkl//
[countable, uncountable]
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the processes by which carbon is changed from one form to another within the environment, for example in plants and when wood or oil is burned
See the Oxford Advanced American Dictionary entry: carbon cycle