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An engine, such as a steam engine, in which the fuel is burned outside the engine cylinder.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Mechanical Engineering) a heat engine in which the working fluid is heated in an external boiler or heat exchanger and is thus isolated from the process of fuel combustion
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
an engine, as a steam engine, in which fuel ignition takes place outside the cylinder or turbine.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||external-combustion engine - a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy|
heat engine - any engine that makes use of heat to do work
steam engine - external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder
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