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carbon monoxide n.
A colorless, odorless, highly poisonous gas that is formed by the incomplete combustion of carbon or of a carbonaceous material, such as gasoline.
|carbon monoxide |
A colorless, odorless gas formed when a compound containing carbon burns incompletely because there is not enough oxygen. It is present in the exhaust gases of automobile engines and is very poisonous. Chemical formula: CO.
Note: Carbon monoxide is usually formed when materials burn; it is found, for example, in automobile exhaust.
Note: Carbon monoxide is a colorless, odorless gas that can be fatal to human beings if inhaled.