Synonyms|2Antonyms|0|Broader|3Narrower|2Related|0
4
carbon dioxide(noun, gas)
3
carbonic acid gas
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APASmart Define. (2011). co2 thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/co2/thesaurus/synonyms
ChicagoSmart Define. 2011. "co2 thesaurus" https://smartdefine.org/co2/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2011, co2 thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/co2/thesaurus/synonyms>.
MLASmart Define. "co2 thesaurus" 20 May 2011. Web. 22 September 2026. <https://smartdefine.org/co2/thesaurus/synonyms>