Meaning & Definition
noun
A chemical compound consisting of one oxygen atom bonded to one other element, particularly carbon, as in carbon monoxide (CO).
Carbon monoxide is a colorless, odorless gas that can be fatal if inhaled in large amounts.
A type of oxide where there is one oxygen atom and one other element.
Monoxide compounds can be produced during incomplete combustion of organic materials.
Often used in the context of air pollution and health hazards associated with its presence.
High levels of nitrogen monoxide can contribute to respiratory problems in urban areas.
Etymology
From mono- (meaning one) + oxide.
Common Phrases and Expressions
carbon monoxide:
A toxic gas produced by burning carbon-containing materials.
nitric oxide:
A gas that plays a role in various physiological processes.
monoxide poisoning:
A dangerous condition caused by inhalation of carbon monoxide.
Slang Meanings
CO
Watch out for CO buildup in poorly ventilated areas.
smoke detector alert
The smoke detector went off, but it was just the CO alarm.