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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

memory device, storage device go
a device that preserves information for retrieval

optical disk, optical disc go
a disk coated with plastic that can store digital data as tiny pits etched in the surface

compact disk, compact disc, CD
a digitally encoded recording on an optical disk that is smaller than a phonograph record

noun.artifact

3 Subcategories

audio CD, audio compact disc go
compact discs used to reproduce sound (voice and music)
CD-R, compact disc recordable, CD-WO, compact disc write-once go
a compact disc on which you can write only once and thereafter is read-only memory
CD-ROM, compact disc read-only memory go
a compact disk that is used with a computer (rather than with an audio system)