carbon-monoxide

carbon monoxide

noun
a colorless, odorless, poisonous gas, CO, that burns with a pale-blue flame, produced when carbon burns with insufficient air: used chiefly in organic synthesis, metallurgy, and in the preparation of metal carbonyls, as nickel carbonyl.

Origin:
1870–75

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Collins
World English Dictionary
carbon monoxide
 
n
a colourless odourless poisonous flammable gas formed when carbon compounds burn in insufficient air and produced by the action of steam on hot carbon: used as a reducing agent in metallurgy and as a fuel. Formula: CO

Collins English Dictionary - Complete & Unabridged 10th Edition
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Etymonline
Word Origin & History

carbon monoxide
1873, so called because it consists of one carbon and one oxygen atom (as opposed to carbon dioxide, which has two of the latter).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary
carbon monoxide (CO)

A compound made up of molecules containing one carbon atom and one oxygen atom.

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.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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