Meanings
- uncountablecarbon dioxide.
On aviation, the Chancellor seemed to suggest it was open season for expanding airports across the UK, irrespective of the fact that flying is a major source of CO² in the atmosphere.
2025 February 19, Christian Wolmar, “Reeves talks of 'growth' but pays lip service to the railway”, in RAIL, number 1029, page 351 more example
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.
2009 April 9, Office of the Press Secretary, “President Obama Announces Accelerated Purchase of 17,600 New American Vehicles for Government Fleet”, in White House, archived from the original on 10 Mar 2010Synonyms: carbon dioxide, carbonic acid gas
Synonyms & antonyms
nouncarbon dioxide.
Cite this entry
CO₂. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/CO%E2%82%82
“CO₂.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/CO%E2%82%82. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “CO₂,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/CO%E2%82%82.
Source: CO₂ on Wiktionary, CC BY-SA 4.0.