Phrase guide

carbon monoxide

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

A colorless, odorless, flammable, highly toxic gas.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

Examples

  • carbon monoxide poisoning

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an odorless very poisonous gas that is a product of incomplete combustion of carbon

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: carbon monoxide gas, CO

Antonyms: none provided

Broader terms: monoxide

History

Etymology

No etymology was provided for this word.

Across languages

Translations

62 source translations are retained for this English entry.

  • Arabic: أَوَّل أُكْسِيد اَلْكَرْبُون (ʔawwal ʔuksīd al-karbūn) — chemical of the formula CO
  • Bashkir: углерод окисы (uglerod okisı) — chemical of the formula CO
  • Bashkir: еҫ (yeś) — chemical of the formula CO
  • Catalan: monòxid de carboni — chemical of the formula CO
  • Chinese Cantonese: 一氧化碳 (jat1 joeng5 faa3 taan3) — chemical of the formula CO
  • Chinese: 一氧化碳 (it-iông-hòa-thòan) — chemical of the formula CO
  • Chinese: 一酸化碳素 (it-sng-hoà thoàn-sò͘) — chemical of the formula CO
  • Chinese Mandarin: 一氧化碳 (yīyǎnghuàtàn) — chemical of the formula CO
  • Czech: oxid uhelnatý — chemical of the formula CO
  • Danish: kulilte — chemical of the formula CO
  • Dutch: koolstofmonoxide — chemical of the formula CO
  • Estonian: vingugaas — chemical of the formula CO
  • Farefare: monomi'igiid bugsãan-kugre — chemical of the formula CO
  • Faroese: kolsúrni — chemical of the formula CO
  • Finnish: hiilimonoksidi — chemical of the formula CO
  • Finnish: häkä — chemical of the formula CO
  • French: monoxyde de carbone — chemical of the formula CO
  • Georgian: ნახშირჟანგი (naxširžangi) — chemical of the formula CO
  • Georgian: ნახშირბადის ჟანგი (naxširbadis žangi) — chemical of the formula CO
  • Georgian: მხუთავი აირი (mxutavi airi) — chemical of the formula CO
  • German: Kohlenstoffmonoxid — chemical of the formula CO
  • German: Kohlenmonoxid — chemical of the formula CO
  • Greek: μονοξείδιο άνθρακα (monoxeídio ánthraka) — chemical of the formula CO
  • Greek: μονοξείδιο του άνθρακα (monoxeídio tou ánthraka) — chemical of the formula CO
  • Hungarian: szén-monoxid — chemical of the formula CO
  • Irish: aonocsaíd charbóin — chemical of the formula CO
  • Italian: ossido di carbonio — chemical of the formula CO
  • Italian: monossido di carbonio — chemical of the formula CO
  • Japanese: 一酸化炭素 (issanka-tanso) — chemical of the formula CO
  • Khmer: កាបូនម៉ូណូអុកស៊ីត (kaabounmounouʼoksiit) — chemical of the formula CO
  • Korean: 일산화탄소 (ilsanhwatanso) — chemical of the formula CO
  • Latin: monoxeidium carbonicum — chemical of the formula CO
  • Malay: karbon monoksida — chemical of the formula CO
  • Malayalam: കാർബൺ മോണോക്സൈഡ് (kāṟbaṇ mōṇōksaiḍŭ) — chemical of the formula CO
  • Māori: waro hāoratahi — chemical of the formula CO
  • Norwegian Bokmål: karbonmonoksid — chemical of the formula CO
  • Norwegian Bokmål: kullos — chemical of the formula CO
  • Norwegian Nynorsk: karbonmonoksid — chemical of the formula CO
  • Pannonian Rusyn: угльов моноксид (uhlʹov monoksid) — chemical of the formula CO
  • Pannonian Rusyn: угльо-моноксид (uhlʹo-monoksid) — chemical of the formula CO
  • Polish: tlenek węgla — chemical of the formula CO
  • Polish: czad — chemical of the formula CO
  • Portuguese: monóxido de carbono — chemical of the formula CO
  • Romanian: oxid de carbon — chemical of the formula CO
  • Romanian: monoxid de carbon — chemical of the formula CO
  • Russian: о́кись углеро́да (ókisʹ ugleróda) — chemical of the formula CO
  • Russian: окси́д углеро́да (oksíd ugleróda) — chemical of the formula CO
  • Russian: моноокси́д углеро́да (monooksíd ugleróda) — chemical of the formula CO
  • Russian: уга́рный газ (ugárnyj gaz) — chemical of the formula CO
  • Northern Sami: heahki — chemical of the formula CO
  • Slovak: oxid uholnatý — chemical of the formula CO
  • Spanish: monóxido de carbono — chemical of the formula CO
  • Swahili: kaboni monoksidi — chemical of the formula CO
  • Swedish: koloxid — chemical of the formula CO
  • Swedish: kolmonoxid — chemical of the formula CO
  • Tagalog: karbon sanuksad — chemical of the formula CO
  • Thai: คาร์บอนมอนอกไซด์ — chemical of the formula CO
  • Ukrainian: моноокси́д вуглецю́ (monooksýd vuhlecjú) — chemical of the formula CO
  • Ukrainian: чад (čad) — chemical of the formula CO
  • Ukrainian: чадни́й газ (čadnýj haz) — chemical of the formula CO
  • Ukrainian: моноокси́д карбо́ну (monooksýd karbónu) — chemical of the formula CO
  • Yiddish: קוילנשטאָף־אָקסיד (koylnshtof-oksid) — chemical of the formula CO