noun
an odorless very poisonous gas that is a product of incomplete combustion of carbon
• Syn: ↑carbon monoxide gas, ↑CO
• Hypernyms: ↑monoxide
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ˌcarbon monˈoxide [carbon monoxide] [ˌkɑːbən mənˈɒksaɪd] [ˌkɑːrbən mənˈɑːksaɪd] noun uncountable (symb. CO)
a poisonous gas formed when ↑carbon burns partly but not completely. It is produced when petrol/gas is burnt in car engines.
Useful english dictionary. 2012.