engine

The part of a vehicle or machine that produces the power to make it move.

• The engine will not start.
• He turned off the engine.
• These cars have powerful engines.

Similar words: motor

Common phrases: car engine, start the engine, engine trouble, diesel engine

A computer system or program that does a particular job within a larger system.

• Use a search engine to find it.
• They built the game with a new engine.
• The graphics engine creates realistic shadows.

Common phrases: search engine, game engine, graphics engine, rendering engine

A machine that uses energy to produce movement or another useful physical effect.

• Steam drives this engine.
• The engine turns a large wheel.
• These engines convert heat into useful movement.

Similar words: motor

Common phrases: steam engine, heat engine, powerful engine