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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
motor that converts thermal energy to mechanical work

noun.artifact

6 Subcategories

aircraft engine go
the engine that powers and aircraft
automobile engine go
the engine that propels an automobile
auxiliary engine, donkey engine go
(nautical) a small engine (as one used on board ships to operate a windlass)
generator go
engine that converts mechanical energy into electrical energy by electromagnetic induction
heat engine go
any engine that makes use of heat to do work
reaction-propulsion engine, reaction engine go
a jet or rocket engine based on a form of aerodynamic propulsion in which the vehicle emits a high-speed stream