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
Sorry, no etymologies found.