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machine motor engine
A machine is a piece of equipment which uses electricity or some other form of power to perform a particular task.
When a machine operates by electricity, you refer to the part of the machine that converts power into movement as the motor.
You do not use 'machine' to refer to the part of a vehicle that provides the power that makes the vehicle move. This part of a car, bus, lorry, or plane is usually called the engine.
You talk about the engine of a ship, but the motor of a small boat.
|Noun||1.||engine - motor that converts thermal energy to mechanical work|
aircraft engine - the engine that powers and aircraft
automobile engine - the engine that propels an automobile
auxiliary engine, donkey engine - (nautical) a small engine (as one used on board ships to operate a windlass)
camshaft - has cams attached to it
gearing, geartrain, power train, gear, train - wheelwork consisting of a connected set of rotating gears by which force is transmitted or motion or torque is changed; "the fool got his tie caught in the geartrain"
generator - engine that converts mechanical energy into electrical energy by electromagnetic induction
heat engine - any engine that makes use of heat to do work
motor - machine that converts other forms of energy into mechanical energy and so imparts motion
|2.||engine - something used to achieve a purpose; "an engine of change"|
|3.||engine - a wheeled vehicle consisting of a self-propelled engine that is used to draw trains along railway tracks|
choo-choo - a child's word for locomotive
diesel locomotive - a locomotive driven by a diesel engine
electric locomotive - a locomotive that is powered by an electric motor
cowcatcher, fender, buffer, pilot - an inclined metal frame at the front of a locomotive to clear the track
footplate - the platform in the cab of a locomotive on which the engineer stands to operate the controls
iron horse - (c. 1840) an early term for a locomotive
pilot engine - a locomotive that precedes a train to check the track
self-propelled vehicle - a wheeled vehicle that carries in itself a means of propulsion
shunter - a small locomotive used to move cars around but not to make trips
steam locomotive - a locomotive powered by a steam engine
tank engine, tank locomotive - a locomotive that carries its own fuel and water; no tender is needed
traction engine - steam-powered locomotive for drawing heavy loads along surfaces other than tracks
|4.||engine - an instrument or machine that is used in warfare, such as a battering ram, catapult, artillery piece, etc.; "medieval engines of war"|
battering ram - a ram used to break down doors of fortified buildings
arbalest, arbalist, ballista, bricole, mangonel, onager, trebuchet, trebucket, catapult - an engine that provided medieval artillery used during sieges; a heavy war engine for hurling large stones and other missiles
instrument - a device that requires skill for proper use