Perpetual Motion

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• Perpetual motion — Motion Mo tion, n. [F., fr. L. motio, fr. movere, motum, to move. See {Move}.] 1. The act, process, or state of changing place or position; movement; the passing of a body from one place or position to another, whether voluntary or involuntary;… …   The Collaborative International Dictionary of English

• Perpetual motion — Perpetual Per*pet u*al, a. [OE. perpetuel, F. perp[ e]tuel, fr. L. perpetualis, fr. perpetuus continuing throughout, continuous, fr. perpes, etis, lasting throughout.] Neverceasing; continuing forever or for an unlimited time; unfailing;… …   The Collaborative International Dictionary of English

• perpetual motion — n. the motion of a hypothetical device which, once set in motion, would operate indefinitely by creating its own energy in excess of that dissipated …   English World dictionary

• Perpetual motion — For other uses, see Perpetual motion (disambiguation). Robert Fludd s 1618 water screw perpetual motion machine from a 1660 wood engraving. This device is widely credited as the first recorded attempt to describe such a device in order to produce …   Wikipedia

• perpetual motion — Mech. the motion of a theoretical mechanism that, without any losses due to friction or other forms of dissipation of energy, would continue to operate indefinitely at the same rate without any external energy being applied to it. [1585 95] * * * …   Universalium

• perpetual motion — noun motion that continues indefinitely without any external source of energy; impossible in practice because of friction • Hypernyms: ↑motion * * * perˌpetual ˈmotion 7 [perpetual motion] noun uncountable …   Useful english dictionary

• perpetual motion — also perpetual motion N UNCOUNT The idea of perpetual motion is the idea of something continuing to move for ever without getting energy from anything else …   English dictionary

• perpetual-motion — see perpetual motion …   English dictionary

• perpetual motion — amžinasis judėjimas statusas T sritis fizika atitikmenys: angl. perpetual motion vok. ewige Bewegung, f rus. вечное движение, n pranc. mouvement perpétuel, m …   Fizikos terminų žodynas

• perpetual motion — A situation where a device will turn forever because there is no friction between the moving part and the stationary part. Although friction can be greatly reduced, it can never be eliminated. Thus a perpetual motion machine is impossible …   Dictionary of automotive terms