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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

navigational instrument
an instrument used for navigating

noun.artifact

5 Subcategories

artificial horizon, gyro horizon, flight indicator go
a navigational instrument based on a gyroscope
compass go
navigational instrument for finding directions
depth finder go
navigational instrument used to measure the depth of a body of water (as by ultrasound or radar)
inclinometer go
an instrument showing the angle that an aircraft makes with the horizon
sonar, echo sounder, asdic go
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return