Perpetuum mobile (Latin, English pronunciation /pəːˌpɛtjʊəm ˈməʊbɪleɪ, ˈməʊbɪli), moto perpetuo (Italian and Portuguese), mouvement perpétuel (French), movimiento perpetuo (Spanish), literally meaning `perpetual motion`, means two distinct things: ==As a technique== A well-known example is the presto finale of Frédéric Chopin`......