carbon monoxide
noun /ˌkɑːbən məˈnɒksaɪd/
/ˌkɑːrbən məˈnɑːksaɪd/
[uncountable] (symbol CO)
- a poisonous gas formed when carbon burns partly but not completely. It is produced when petrol is burned in car engines.
Topics The environmentc1, Physics and chemistryc1一氧化碳 Collocations DictionaryCarbon monoxide is used before these nouns:- fumes
- poisoning