Phrase guide

carbon-nitrogen-oxygen cycle

noun · 1 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

No pronunciation record was provided for this word.

1

noun

Meaning 1

A group of nuclear reactions, involving 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.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: astronomy, natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: Bethe-Weizsäcker cycle, CNO cycle

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

3 source translations are retained for this English entry.

  • French: cycle carbone-azote-oxygène — group of nuclear reactions thought to occur in stars
  • Italian: ciclo del carbonio-azoto — group of nuclear reactions thought to occur in stars
  • Polish: cykl węglowo-azotowo-tlenowy — group of nuclear reactions thought to occur in stars