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internal-combustion engine

noun
1.
an engine of one or more working cylinders in which the process of combustion takes place within the cylinders.
Origin
1880-1885
1880-85
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for internal-combustion engines

internal-combustion engine

noun
1.
a heat engine in which heat is supplied by burning the fuel in the working fluid (usually air)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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internal-combustion engines in Science
internal-combustion engine
  (ĭn-tûr'nəl-kəm-bŭs'chən)   

An engine whose fuel is burned inside the engine itself rather than in an outside furnace or burner. Gasoline and diesel engines are internal-combustion engines, as are gas turbine engines such as turbojets. Compare steam engine.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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internal-combustion engines in Culture

internal-combustion engine definition


Any engine powered by burning fuel inside it (for example, a standard automobile engine). Internal-combustion engines normally burn fossil fuels and therefore are a major source of air pollution. (See smog.)

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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