oxygen cycle
noun
: the cycle whereby atmospheric oxygen is converted to carbon dioxide in animal respiration and regenerated by green plants in photosynthesis
Examples of oxygen cycle in a Sentence
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The water cycle, nitrogen cycle, the oxygen cycle, the carbon cycle—dust is feeding into all of these.
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Matt Simon, WIRED, 27 Nov. 2023
This isn’t a call for protecting biodiversity, as noble a cause as that is, but safeguarding the carbon-to-oxygen cycle and weather regulation services of photosynthesising plants.
—Solitaire Townsend, Forbes, 8 June 2021
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Matt Simon, WIRED, 27 Nov. 2023
This isn’t a call for protecting biodiversity, as noble a cause as that is, but safeguarding the carbon-to-oxygen cycle and weather regulation services of photosynthesising plants.
—Solitaire Townsend, Forbes, 8 June 2021
Cite this Entry
“Oxygen cycle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oxygen%20cycle. Accessed 14 Jul. 2025.
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