Real Dictionary

kinetic art in American English
an art style, esp. in sculpture or assemblage, involving the use of moving, often motorized, parts, shifting lights, sounds, etc.
noun: art, as sculptural constructions, having movable parts activated by motor, wind, hand pressure, or other direct means and often having additional variable elements, as shifting lights

kinetic art in British English
noun: art, esp sculpture, that moves or has moving parts