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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

optical instrument go
an instrument designed to aid vision

spectacles, specs, eyeglasses, glasses
optical instrument consisting of a frame that holds a pair of lenses for correcting defective vision

noun.artifact

5 Subcategories

bifocals go
eyeglasses having two focal lengths, one for near vision and the other for far vision
goggles go
tight-fitting spectacles worn to protect the eyes
lorgnette go
eyeglasses that are held to the eyes with a long handle
pince-nez go
spectacles clipped to the nose by a spring
sunglasses, dark glasses, shades go
spectacles that are darkened or polarized to protect the eyes from the glare of the sun