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Meaning of carbon monoxide

car'bon monox'ide

Pronunciation: [key]
  1. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.