Meanings
alternative obsolete carbon dioxid · alternative obsolete carbondioxid
- uncountablechemistryThe normal oxide of carbon, CO₂; a colorless, odorless gas formed during respiration and combustion and consumed by plants during photosynthesis.
There were dozens of presentations in 2008, including: […
2008 December 9, Jeff Jacoby, “Skepticism on climate change”, in The International Herald Tribune, →ISSN, archived from the original on 29 Mar 20222 more examples
Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: the ability to convert water and carbon dioxide into carbohydrates and waste oxygen using solar energy.
2013 September–October, Katie L. Burke, “In the News”, in American Scientist, archived from the original on 03 Sep 2013Each year, human activities release more carbon dioxide into the atmosphere than natural processes can remove, causing the amount of carbon dioxide in the atmosphere to increase.
2024 April 9, Rebecca Lindsey, “Climate Change: Atmospheric Carbon Dioxide”, in Dlugokencky, Ed, editor, Climate.gov, USA.gov, archived from the original on 07 Apr 2025Synonyms: carbonic acid gas, CO₂, E290
Synonyms & antonyms
nounThe normal oxide of carbon, CO₂; a colorless, odorless gas formed during respiration and combustion and consumed by plants during photosynthesis.
More synonyms by meaning
nouna heavy odorless colorless gas formed during respiration and by the decomposition of organic substances; absorbed from the air by plants in photosynthesis
Synonym sets from Open English WordNet, CC BY 4.0.
Translations
Arabic ثَانِي أُكْسِيد الْكَرْبُون
- ثَانِي أُكْسِيد الْكَرْبُون (ṯānī ʔuksīd al-karbūn)CO₂
Basque karbono dioxido, anhidrido karboniko
- karbono dioxidoCO₂
- anhidrido karbonikoCO₂
Bulgarian въглеро́ден диокси́д, въглеро́ден двуо́кис
- въглеро́ден диокси́д (văgleróden dioksíd)CO₂
- въглеро́ден двуо́кис (văgleróden dvuókis)CO₂
Catalan diòxid de carboni, biòxid de carboni
- diòxid de carboniCO₂
- biòxid de carboniCO₂
- anhídrid carbònicCO₂
Chinese Cantonese 二氧化碳
- 二氧化碳 (ji⁶ joeng⁵ faa³ taan³)CO₂
Chinese Mandarin 二氧化碳
- 二氧化碳 (èryǎnghuàtàn)CO₂
Czech oxid uhličitý
- oxid uhličitýCO₂
Danish kuldioxid
- kuldioxidCO₂
Dutch kooldioxide
- kooldioxideCO₂
Esperanto karbona dioksido
- karbona dioksidoCO₂
Estonian süsinikdioksiid, süsihappegaas
- süsinikdioksiidCO₂
- süsihappegaasCO₂
Finnish hiilidioksidi
- hiilidioksidiCO₂
French anhydride carbonique, dioxyde de carbone
- anhydride carboniqueCO₂
- dioxyde de carboneCO₂
- gaz carboniqueCO₂
German Kohlenstoffdioxid, Kohlendioxyd
- KohlenstoffdioxidCO₂
- KohlendioxydCO₂
- KohlendioxidCO₂
Greek διοξείδιο του άνθρακα
- διοξείδιο του άνθρακα (dioxeídio tou ánthraka)CO₂
Hebrew פַּחְמָן דּוּ חַמְצָנִי, דּוּ תַּחְמֹצֶת הַפַּחְמָן
- פַּחְמָן דּוּ חַמְצָנִי (paḥmán du ḥamtzaní)CO₂
- דּוּ תַּחְמֹצֶת הַפַּחְמָן (du taḥmótzet hapaḥmán)CO₂
Hindi प्रांगार द्विजारेय, अंगाराम्लवायु
- प्रांगार द्विजारेय (prāṅgār dvijārey)CO₂
- अंगाराम्लवायु (aṅgārāmlavāyu)CO₂
Hungarian szén-dioxid
- szén-dioxidCO₂
Icelandic koltvísýringur
- koltvísýringurCO₂
Indonesian karbon dioksida
- karbon dioksidaCO₂
Irish dé-ocsaíd charbóin
- dé-ocsaíd charbóinCO₂
Italian anidride carbonica, diossido di carbonio
- anidride carbonicaCO₂
- diossido di carbonioCO₂
Japanese 二酸化炭素
- 二酸化炭素 (nisanka-tanso)CO₂
Korean 이산화탄소
- 이산화탄소 (isanhwatanso)CO₂
Latin dioxydum carbonicum
- dioxydum carbonicumCO₂
Latvian ogļskābā gāze, oglekļa dioksīds
- ogļskābā gāzeCO₂
- oglekļa dioksīdsCO₂
Lithuanian anglies dioksidas
- anglies dioksidasCO₂
Malay karbon dioksida
- karbon dioksidaCO₂
Māori hauhā, waro hāora-rua
- hauhāCO₂
- waro hāora-ruaCO₂
Norwegian Bokmål karbondioksid
- karbondioksidCO₂
Persian کربن دیاکسید
- کربن دیاکسید (karbon di-oksid)CO₂
Polish dwutlenek węgla
- dwutlenek węglaCO₂
Portuguese dióxido de carbono, gás carbônico
- dióxido de carbonoCO₂
- gás carbônicoCO₂
Romanian bioxid de carbon, dioxid de carbon
- bioxid de carbonCO₂
- dioxid de carbonCO₂
- anhidridă carbonicăCO₂
Russian двуо́кись углеро́да, углеки́слый газ
- двуо́кись углеро́да (dvuókisʹ ugleróda)CO₂
- углеки́слый газ (uglekíslyj gaz)CO₂
- диокси́д углеро́да (dioksíd ugleróda)CO₂
Scottish Gaelic carbon dà-ogsaid, gualan dà-ogsaid
- carbon dà-ogsaidCO₂
- gualan dà-ogsaidCO₂
Slovak oxid uhličitý
- oxid uhličitýCO₂
Spanish bióxido de carbono, anhídrido carbónico
- bióxido de carbonoCO₂
- anhídrido carbónicoCO₂
- dióxido de carbonoCO₂
- anhidrido carbónicoCO₂
Swahili kaboni dioksidi
- kaboni dioksidiCO₂
Swedish koldioxid
- koldioxidCO₂
Tagalog karbon daluksad
- karbon daluksadCO₂
Tamil கரியமில வாயு, கரியமில வளி
- கரியமில வாயு (kariyamila vāyu)CO₂
- கரியமில வளி (kariyamila vaḷi)CO₂
Thai คาร์บอนไดออกไซด์
- คาร์บอนไดออกไซด์ (kāa-bɔ̂n dāi-ɔ́k-sāai)CO₂
Turkish karbondioksit
- karbondioksitCO₂
Ukrainian діокси́д вуглецю́, вуглеки́слий газ
- діокси́д вуглецю́ (dioksýd vuhlecjú)CO₂
- вуглеки́слий газ (vuhlekýslyj haz)CO₂
Vietnamese cacbon đioxit, cacbonic
- cacbon đioxitCO₂
- cacbonicCO₂
Welsh carbon deuocsid
- carbon deuocsidCO₂
Yiddish קוילנשטאָף־צווייאָקסיד
- קוילנשטאָף־צווייאָקסיד (koylnshtof-tsveyoksid)CO₂
Cite this entry
carbon dioxide. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/carbon%20dioxide
“carbon dioxide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/carbon%20dioxide. Accessed November 2, 2026.
WatkinsX Dictionary, s.v. “carbon dioxide,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/carbon%20dioxide.
Source: carbon dioxide on Wiktionary, CC BY-SA 4.0.