compound engine
Britishnoun
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a steam engine in which the steam is expanded in more than one stage, first in a high-pressure cylinder and then in one or more low-pressure cylinders
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a reciprocating engine in which the exhaust gases are expanded in a turbine to drive a turbocharger
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.
Although the Wright turbo compound engine was standard on both the DC-7 and Super Constellation, it proved so unsatisfactory that airlines were not interested in Wright engines for the new jet airliners.
From Time Magazine Archive
For example, if the ratio of expansion is 4 in each cylinder in a compound engine, the total ratio will be 4 × 4 = 16.
From Steam Engines Machinery's Reference Series, Number 70 by Anonymous
The compound engine was first thought of by Watt about 1767.
From James Watt by Carnegie, Andrew
Q. Is it a disadvantage to work a compound engine in short cut-off?
From The Traveling Engineers' Association To Improve The Locomotive Engine Service of American Railroads by Anonymous
The effect of a triple-expansion engine is sometimes obtained in a measure by making the volume of the low-pressure cylinder of a compound engine 6 or 7 times that of the high-pressure.
From Steam Engines Machinery's Reference Series, Number 70 by Anonymous
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.
