Main Difference
The main difference between Motor and Engine is that the Motor is a machine designed to convert energy into useful mechanical motion; device that burns or otherwise consumes fuel, changing its chemical composition and Engine is a machine designed to produce mechanical energy from another form of energy
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Motor
An engine or motor is a machine designed to convert one form of energy into mechanical energy. Heat engines burn a fuel to create heat which is then used to do work. Electric motors convert electrical energy into mechanical motion; pneumatic motors use compressed air; and clockwork motors in wind-up toys use elastic energy. In biological systems, molecular motors, like myosins in muscles, use chemical energy to create forces and eventually motion.
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Engine
An engine or motor is a machine designed to convert one form of energy into mechanical energy. Heat engines burn a fuel to create heat which is then used to do work. Internal combustion engines are heat engines that burn fuel in a combustion chamber to extract work from the pressure of expanding gases. Electric motors convert electrical energy into mechanical motion; pneumatic motors use compressed air; and clockwork motors in wind-up toys use elastic energy. In biological systems, molecular motors, like myosins in muscles, use chemical energy to create forces and eventually motion.
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Motor (noun)
A machine or device that converts any form of energy into mechanical energy, or imparts motion.
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Motor (noun)
A motor car, or automobile.
“Nice motor!”
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Motor (noun)
A source of power for something; an inspiration; a driving force.
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Motor (noun)
Any protein capable of converting chemical energy into mechanical work.
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Motor (noun)
The controller or prime mover of the universe; God.
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Motor (noun)
The fermenting mass of fruit that is the basis of pruno, or “prison wine”.
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Motor (adjective)
relating to the ability to move
“She has excellent motor skills.”
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Motor (adjective)
Relating to motor cars
“Motor insurance is expensive for youngsters.”
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Motor (verb)
To make a journey by motor vehicle; to drive.
“On Saturday we motored down to Plymouth.”
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Motor (verb)
To move at a brisk pace.
“Sales were slow at first, but now things are really motoring.”
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Motor (verb)
To leave.
“I gotta motor.”
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Engine (noun)
A large construction used in warfare, such as a battering ram, catapult etc. from 14th c.
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Engine (noun)
A tool; a utensil or implement. from 14th c.
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Engine (noun)
A complex mechanical device which converts energy into useful motion or physical effects. from 16th c.
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Engine (noun)
A person or group of people which influence a larger group; a driving force. from 16th c.
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Engine (noun)
The part of a car or other vehicle which provides the force for motion, now especially one powered by internal combustion. from 19th c.
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Engine (noun)
A self-powered vehicle, especially a locomotive, used for pulling cars along a track. from 19th c.
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Engine (noun)
A software or hardware system responsible for a specific technical task (usually with qualifying word). from 20th c.
“a graphics engine; a physics engine”
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Engine (noun)
Ingenuity; cunning, trickery, guile. 13th-17th c.
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Engine (noun)
The result of cunning; something ingenious, a contrivance; (in negative senses) a plot, a scheme. 13th-18th c.
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Engine (noun)
Natural talent; genius. 14th-17th c.
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Engine (noun)
Anything used to effect a purpose; any device or contrivance; an agent.
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Engine (verb)
To equip with an engine; said especially of steam vessels.
“Vessels are often built by one firm and engined by another.”
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Engine (verb)
To assault with an engine.
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Engine (verb)
To contrive; to put into action.
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Engine (verb)
To rack; to torture.
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Engine (noun)
a machine with moving parts that converts power into motion
“engine failure”
“the roar of a car engine”
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Engine (noun)
a thing that is the agent or instrument of a particular process
“exports used to be the engine of growth”
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Engine (noun)
a locomotive.
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Engine (noun)
a fire engine.
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Engine (noun)
a mechanical device or instrument, especially one used in warfare
“a siege engine”