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Parent Categories

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

reflector
device that reflects radiation

noun.artifact

3 Subcategories

mirror go
polished surface that forms images by reflecting light
parabolic reflector, paraboloid reflector go
a concave reflector used to produce a parallel beam when the source is placed at its focus or to focus an incoming parallel beam
solar dish, solar collector, solar furnace go
a concave mirror that concentrates the rays of the sun