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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

measuring instrument, measuring system, measuring device go
instrument that shows the extent or amount or quantity or degree of something

ionization chamber, ionization tube go
a measuring instrument that measures the amount of ionizing radiation

boron chamber
an ionization chamber lined with boron or filled with boron trifluoride gas for counting low velocity neutrons

noun.artifact

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