steam engine (redirected from Quad expansion steam engine)

steam engine

n.

An engine that converts the heat energy of pressurized steam into mechanical energy, especially one in which steam drives a piston in a closed cylinder.

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steam engine An engine in which the energy of hot steam is converted into mechanical power, especially an engine in which the force of expanding steam is used to drive one or more pistons. The source of the steam is typically external to the part of the machine that converts the steam energy into mechanical energy. Compare internal-combustion engine.

steam engine Rightward (top) and leftward (bottom) movements of a slide valve steam engine.

Thesaurus

Noun

1.

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 boiler, steam boiler - sealed vessel where water is converted to steam crosshead - metal block that connects to a piston; it slides on parallel guides and moves a connecting rod back and forth external-combustion engine - a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy steam chest - the chamber from which steam is distributed to a cylinder steamship, steamer - a ship powered by one or more steam engines steam locomotive - a locomotive powered by a steam engine

Translations

steam engine n (Rail) → locomotiva a vapore