
1) Energy conversion 2) English invention 3) Gas technology 4) Type of railway locomotive
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https://www.crosswordclues.com/clue/steam-engine

A steam engine is a heat engine that performs mechanical work using steam as its working fluid. Using boiling water to produce mechanical motion goes back over 2000 years, but early devices were not practical. The Spanish inventor Jerónimo de Ayanz y Beaumont patented in 1606 the first steam engine. In 1698 Thomas Savery patented a steam pump tha...
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http://en.wikipedia.org/wiki/Steam_engine

• An engine moved by steam.
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http://thinkexist.com/dictionary/meaning/steam_engine/

machine using steam power to perform mechanical work through the agency of heat.[28 related articles]
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http://www.britannica.com/eb/a-z/s/157

The first important heat engine, supplying the power that made the Industrial Revolution possible, and the principal power source for industry and transport (notably railroad locomotives and steamships) until largely superceded in the 20th century by steam turbines and the various internal-combustio...
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http://www.daviddarling.info/encyclopedia/S/steam_engine.html

Machine for turning heat into power by means of steam. Heat applied to a boiler expands water into steam, which is directed into a cylinder where it acts upon a piston. Newcomen (1712) produced the first practical engine for draining mines, Watt (1769) introduced major improvements, including a separate condenser and rotary motion, while Trevithick...
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http://www.encyclo.co.uk/local/20418

Engine that uses the power of steam to produce useful work. The first successful steam engine was built in 1712 by English inventor Thomas
Newcomen at Dudley, West Midlands; it was developed further...
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http://www.encyclo.co.uk/local/20688

An engine moved by steam. ... In its most common forms its essential parts are a piston, a cylinder, and a valve gear. The piston works in the cylinder, to which steam is admitted by the action of the valve gear, and communicates motion to the machinery to be actuated. Steam engines are thus classified: 1. According to the wat the steam is used or ...
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http://www.encyclo.co.uk/local/20973
Steam' en'gine An engine moved by steam. » In its most common forms its essential parts are a
piston , a
cylinder , and a
valve gear . The piston works in the cylinder, to which steam is admitted by the action of the valve gear, and communicates motion to the machinery to be actuated. Steam engines ar...
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http://www.encyclo.co.uk/webster/S/189

A steam engine is an apparatus for converting heat energy into useful work by means of th expansive force of steam.
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http://www.probertencyclopaedia.com/browse/GS.HTM

[
n] - 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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http://www.webdictionary.co.uk/definition.php?query=steam%20engine

An engine that uses steam to produce useful work.The first steam locomotive was built in 1803 by Richard Trevithick. Sadly he was ahead of his time and the locomotives he built were unreliable or too heavy for the cast iron rails on which they ran.The steam locomotive was the mainstay of the railway systems across the world until the 1960's.The tra...
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https://www.encyclo.co.uk/local/20687
noun 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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https://www.encyclo.co.uk/local/20974
Click images to enlargeEngine that uses the power of steam to produce useful work. The first successful steam engine was built in 1712 by English inventor Thomas Newcomen at Dudley, West Midlands; it was developed further by Scottish instrument maker James Watt from 1769 and by English mining engineer Richard Trevithi...
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https://www.encyclo.co.uk/local/21221

an engine worked by steam, typically one in which a sliding piston in a cylinder is moved by the expansive action of the steam generated in a boiler.
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https://www.infoplease.com/dictionary/steam-engine
No exact match found.