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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

scientific instrument go
an instrument used by scientists

magnifier go
a scientific instrument that magnifies an image

scope, telescope go
a magnifier of images of distant objects

astronomical telescope go
any telescope designed to collect and record electromagnetic radiation from cosmic sources

optical telescope go
an astronomical telescope designed to collect and record light from cosmic sources

reflecting telescope, reflector go
optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece

Newtonian telescope, Newtonian reflector
reflecting telescope in which the image is viewed through an eyepiece perpendicular to main axis

noun.artifact

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