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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

object, physical object go
a tangible and visible entity

whole, unit go
an assemblage of parts that is regarded as a single entity

artifact, artefact go
a man-made object taken as a whole

instrumentation, instrumentality go
an artifact (or system of artifacts) that is instrumental in accomplishing some end

device go
an instrumentality invented for a particular purpose

machine go
any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks

motor go
machine that converts other forms of energy into mechanical energy and so imparts motion

engine go
motor that converts thermal energy to mechanical work

heat engine go
any engine that makes use of heat to do work

internal-combustion engine, ICE go
a heat engine in which combustion occurs inside the engine rather than in a separate furnace

rotary engine go
an internal-combustion engine in which power is transmitted directly to rotating components

turbine
rotary engine in which the kinetic energy of a moving fluid is converted into mechanical energy by causing a bladed rotor to rotate

noun.artifact

6 Subcategories

gas turbine go
turbine that converts the chemical energy of a liquid fuel into mechanical energy by internal combustion
hydroelectric turbine go
turbine consisting of a large and efficient version of a water wheel used to drive an electric generator
impulse turbine go
a turbine that is driven by jets direct against the blades
reaction turbine go
a turbine with blades arranged to develop torque from gradual decrease of steam pressure from inlet to exhaust
steam turbine go
turbine in which steam strikes blades and makes them turn
wind turbine go
a turbine that is driven by the wind