a furnace using gas as a fuel.
a furnace for distilling gas from a solid fuel, as coal.
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Origin of gas furnace
First recorded in 1870–75
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for gas furnace
A gas-furnace is formed by grouping in a single mass of masonry a certain number of elements of the kind just described.Gas-Engines and Producer-Gas Plants|R. E. Mathot