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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

electrical device go
a device that produces or is powered by electricity

transducer
an electrical device that converts one form of energy into another

noun.artifact

3 Subcategories

electro-acoustic transducer go
a transducer that converts electrical to acoustic energy or vice versa
mosaic go
transducer formed by the light-sensitive surface on a television camera tube
photoelectric cell, photoconductive cell, photocell, electric eye, magic eye go
a transducer used to detect and measure light and other radiations