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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

external-combustion engine
a heat engine in which ignition occurs outside the chamber (cylinder or turbine) in which heat is converted to mechanical energy

noun.artifact

1 Subcategories

steam engine go
external-combustion engine in which heat is used to raise steam which either turns a turbine or forces a piston to move up and down in a cylinder