air engine
Britishnoun
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an engine that uses the expansion of heated air to drive a piston
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a small engine that uses compressed air to drive a piston
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
The essentials of the air engine are extremely simple: a "hot space" heated by an external firebox, a "cold space" cooled by water or air, and two pistons.
From Time Magazine Archive
The only real practical advance made in this matter is M. Mékarski's compressed air engine for tramways.
From Scientific American Supplement, No. 275, April 9, 1881 by Various
Herring made for this a compressed air engine and claimed that with this he accomplished a flight of seventy-three feet.
From Story of the Aeroplane by Galbreath, C. B. (Charles Burleigh)
We passed through the engine room where mechanics were at work on the damaged liquid air engine.
From City of Endless Night by Hastings, Milo M. (Milo Milton)
It is recorded that Amontons of France, in 1699, had an atmospheric fire wheel or air engine in which a heated column of air was made to drive a wheel.
From Inventions in the Century by Doolittle, William Henry
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
