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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

control, controller go
a mechanism that controls the operation of a machine

regulator go
any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc.

escape, safety valve, relief valve, escape valve, escape cock
a valve in a container in which pressure can build up (as a steam boiler)

noun.artifact

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