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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

instrument go
a device that requires skill for proper use

optical instrument go
an instrument designed to aid vision

spectroscope, prism spectroscope go
an optical instrument for spectrographic analysis

mass spectrometer, spectrometer go
spectroscope for obtaining a mass spectrum by deflecting ions into a thin slit and measuring the ion current with an electrometer

mass spectrograph
a mass spectrometer that produces a graphical representation of the mass spectrum

noun.artifact

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