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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

action, action mechanism
the operating part that transmits power to a mechanism

noun.artifact

4 Subcategories

gunlock, firing mechanism go
the action that ignites the charge in a firearm
movement go
the driving and regulating parts of a mechanism (as of a watch or clock)
piano action go
action consisting of a system of levers that move a felt hammer to strike the strings when a key is depressed
pump action, slide action go
action mechanism in a modern rifle or shotgun