Noun: carbon cycle 'kaa(r)-bun 'sI-kul
- The organic circulation of carbon from the atmosphere into organisms and back again
"Photosynthesis plays a key role in the carbon cycle"
- A thermonuclear reaction in the interior of stars
"The carbon cycle is crucial for energy production in massive stars"
Derived forms: carbon cycles
Type of: biological process, organic process, thermonuclear reaction
Encyclopedia: Carbon cycle