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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

conductor go
a device designed to transmit electricity, heat, etc.

semiconductor device, semiconductor unit, semiconductor go
a conductor made with semiconducting material

transistor, junction transistor, electronic transistor
a semiconductor device capable of amplification

noun.artifact

2 Subcategories

field-effect transistor, FET go
a transistor in which most current flows in a channel whose effective resistance can be controlled by a transverse electric field
p-n-p transistor go
a junction transistor having an n-type semiconductor between a p-type semiconductor that serves as an emitter and a p-type semiconductor that serves as a collector