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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
a magnifier of images of distant objects

noun.artifact

5 Subcategories

astronomical telescope go
any telescope designed to collect and record electromagnetic radiation from cosmic sources
collimator go
a small telescope attached to a large telescope to use in setting the line of the larger one
equatorial go
a telescope whose mounting has only two axes of motion, one parallel to the Earth's axis and the other one at right angles to it
solar telescope go
a telescope designed to make observations of the sun
transit instrument go
a telescope mounted on an axis running east and west and used to time the transit of a celestial body across the meridian