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Definition 2024


carbon-nitrogen-oxygen_cycle

carbon-nitrogen-oxygen cycle

English

Noun

carbon-nitrogen-oxygen cycle (uncountable) (abbreviated as CNO cycle)

  1. (physics, astronomy) A group of nuclear reactions, that involve the interaction of protons with carbon, nitrogen and oxygen nuclei, thought to be the main source of energy in main-sequence stars of greater than 1.4 solar mass.

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