from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A combustible mixture of nitrogen, carbon monoxide, and hydrogen, generated by passing air with steam over burning coke or coal in a furnace and used as fuel. Also called air gas.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a gas made of carbon monoxide and hydrogen and nitrogen; made by passing air over hot coke


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