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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

mechanism go
device consisting of a piece of machinery

mechanical device go
mechanism consisting of a device that works on mechanical principles

machine, simple machine go
a device for overcoming resistance at one point by applying force at some other point

wheel go
a simple machine consisting of a circular frame with spokes (or a solid disc) that can rotate on a shaft or axle (as in vehicles or other machines)

gear, gear wheel, geared wheel, cogwheel go
a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion

worm wheel
gear with the thread of a worm

noun.artifact

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