carbon monoxide

Definition / meaning of carbon monoxide

A poisonous gas that has no color or odor. It is given off by burning fuel (as in exhaust from cars or household heaters) and tobacco products. Carbon monoxide prevents red blood cells from carrying enough oxygen for cells and tissues to live.

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Find More About 'carbon monoxide'

Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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