Illuminating Gas

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illuminating gas

[ə′lü·mə‚nād·iŋ ‚gas]
Flammable mixture of gases suitable for illuminating purposes; contains hydrogen, methane, ethane, carbon monoxide, and some nitrogen and oxygen.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Illuminating Gas


a mixture of combustible gases, primarily methane and hydrogen, that is formed during the thermal processing of coal—for example, during such heat-producing processes as coking and low-temperature carbonization. Until the 1920’s illuminating gas was used for lighting houses and streets.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.