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 sister invention of the gas engine is the air engine.
From Inventions in the Century by William Henry Doolittle
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 William Henry Doolittle
Which will be best, hot air engine or steam engine?
We passed through the engine room where mechanics were at work on the damaged liquid air engine.
From City of Endless Night by Milo M. (Milo Milton) Hastings
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.
