CO₂

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CO₂

/si.oʊ.tu/
/siː.əʊ.tuː/

noun

uncountable carbon dioxide. By swapping out less efficient federal vehicles for new hybrid and fuel efficient ones, this strategy will reduce gasoline consumption by 1.3 million gallons per year and prevent 26 million pounds of CO₂ from entering the atmosphere.
Similar: carbon dioxide, carbonic acid gas

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MLA

"CO₂." Wiktionary, via Micwyn, micwyn.com/word/co%E2%82%82. Accessed 6 Nov. 2026.

APA

CO₂. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/co%E2%82%82

Chicago

"CO₂." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/co%E2%82%82.

BibTeX

@misc{co2_2026,
  title = {CO₂},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/co%E2%82%82},
  urldate = {2026-11-06}
}