an early conceptual or mechanical calculating device

Diesel engine

Steam engine, an external combustion engine that converts steam into mechanical work

Stirling engine, a closed-cycle regenerative hot air engine

Internal combustion engine, an engine in which the combustion of fuel and an oxidizer occurs in a confined space

Locomotive, the car of a train that carries the actual engine(s) and pulls the rest of the train

The Engine, Warren Ellis's forum for comics professionals

An engine is a device that converts potential energy into mechanical work. Engine may also refer to: In thermodynamics:

Wankel engine, a type of internal combustion engine

Rendering engine, software or hardware, which converts specifications for images into pixels

Electric locomotive, which carries the electric motors of the train

Analytical engine, a concept for a computer, designed by Charles Babbage

Heat engine, a physical or theoretical device that converts thermal energy to mechanical output

Ray-tracing engine, software which renders a scene by tracing simulated rays of light

"Engine", a rare track from indie rock band Neutral Milk Hotel

Search engine, an information retrieval system designed to find information on a computer system

Difference engine, a mechanical calculator designed to tabulate polynomial functions

Game engine, the core software component of a computer or video game

Reciprocating engine, a heat engine that uses one or more pistons

Pulse jet engine, an internal combustion engine wherein the combustion occurs in pulses

Carnot heat engine, a hypothetical engine that operates on the reversible Carnot cycle

External combustion engine, an engine where an internal fluid is heated through the engine wall or a heat exchanger

Engine (TV series), a Japanese television drama starring Takuya Kimura

The Engine, a fictional device described in Gulliver's Travels

Layout engine, software that formats web content for display on the screen

Polymorphic engine or mutation engine

Motor, a device which converts electrical or hydraulic energy into motion

Software engine, the core logic of a computer program, or an especially productive or reliable software application or module

Engine (computer science), a construct providing timed preemption