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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

machine go
any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks

motor go
machine that converts other forms of energy into mechanical energy and so imparts motion

engine go
motor that converts thermal energy to mechanical work

generator
engine that converts mechanical energy into electrical energy by electromagnetic induction

noun.artifact

5 Subcategories

alternator go
an old term for an electric generator that produces alternating current (especially in automobiles)
dynamo go
generator consisting of a coil (the armature) that rotates between the poles of an electromagnet (the field magnet) causing a current to flow in the armature
magneto, magnetoelectric machine go
a small dynamo with a secondary winding that produces a high voltage enabling a spark to jump between the poles of a spark plug in a gasoline engine
turbogenerator go
generator consisting of a steam turbine coupled to an electric generator for the production of electric power
windmill, aerogenerator, wind generator go
generator that extracts usable energy from winds