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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

corrective, restorative go
a device for treating injury or disease

prosthesis, prosthetic device go
corrective consisting of a replacement for a part of the body

implant
a prosthesis placed permanently in tissue

noun.artifact

8 Subcategories

artificial heart go
a pump that replaces the natural heart
artificial joint go
a metal or plastic part that is surgically implanted to replace a natural joint (possibly elbow or wrist but usually hip or knee)
breast implant go
an implant for cosmetic purposes to replace a breast that has been surgically removed
dental implant go
an implant that replaces a natural tooth
heart valve go
an implant that replaces a natural cardiac valve
lens implant, interocular lens implant, IOL go
a clear plastic lens that is implanted in the eye
penile implant go
an implant that creates an artificial erection
shunt go
implant consisting of a tube made of plastic or rubber