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An engine is a device that converts one form of energy into mechanical energy.

Engine may also refer to:

Thermodynamics

• Heat engine, a physical or theoretical device that converts thermal energy to mechanical output
  • Reciprocating engine, a heat engine that uses one or more pistons
• Internal combustion engine, an engine in which the combustion of fuel and an oxidizer occurs in a confined space
  • Diesel engine
  • Wankel engine, a type of internal combustion engine
  • Pulse jet engine, an internal combustion engine wherein the combustion occurs in pulses
• External combustion engine, an engine where an internal fluid is heated through the engine wall or a heat exchanger
  • Steam engine, an external combustion engine that converts steam expansion into mechanical work
• Carnot heat engine, a hypothetical engine that operates on the reversible Carnot cycle
• Stirling engine, a closed-cycle regenerative hot-air engine

Rail transport

• Locomotive, the car of a train that carries the actual engine(s) and pulls/pushes the rest of the train
  • Electric locomotive, a locomotive which carries the electric motors of a train

Computing

Software engines

• Software engine, a core component of a complex software system
  • Browser engine, component of a web browser that renders web pages on a screen
  • Chess engine, software that analyzes a chess game and makes decisions
  • Database engine, software that manipulates database contents internally
  • Game engine, the core software component of a video game
  • JavaScript engine, component of a web browser that executes the page's JavaScript code
  • Polymorphic engine or mutation engine, a common component of malware
  • Search engine, an Internet service that provides information and links to relevant websites

Other

• Engine (computer science), a construct providing timed preemption
• Analytical engine, a concept for a computer, designed by Charles Babbage
• Difference engine, a mechanical calculator designed to tabulate polynomial functions

Literature

• The Engine, a fictional device described in Gulliver's Travels
• Engines (book), a 1959 science book for children by L. Sprague de Camp

Music

• Engine (British band), a British boogie-rock band, active between 1979 and 1997
• Engine (American band), an American metal band fronted by Ray Alder
  • Engine (Engine album), the band's 1999 debut album
• Engine (American Music Club album), 1987
• Engine (Jinn album), 2010
• Engine (Loudness album), 1999
• Engine (TNT album), 2010
• "Engine", a song by Luminous from Luminous in Wonderland, 2022

Television

• Engine (TV series), a Japanese television drama starring Takuya Kimura
• Engines (Engine Sentai Go-onger), fictional machines in the TV series Engine Sentai Go-onger

Other uses

• Engine (organization), an American nonprofit organization encouraging high-tech entrepreneurship
• Fire engine, a vehicle used by firefighters
• Siege engine, an anti-fortification machine or structure

See also

• Motor (disambiguation), a device which converts electrical or hydraulic energy into motion
• Fire apparatus, a vehicle used to assist in fighting fires
• ingen (disambiguation)
• NGEN (disambiguation)
• Machine (disambiguation)
• Template engine (disambiguation)

• Disambiguation pages