Perpetual motion

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; everlasting; continuous. [1913 Webster]

Unto the kingdom of perpetual night. --Shak. [1913 Webster]

Perpetual feast of nectared sweets. --Milton. [1913 Webster]

{Circle of perpetual apparition}, or {Circle of perpetual occultation}. See under {Circle}.

{Perpetual calendar}, a calendar so devised that it may be adjusted for any month or year.

{Perpetual curacy} (Ch. of Eng.), a curacy in which all the tithes are appropriated, and no vicarage is endowed. --Blackstone.

{Perpetual motion}. See under {Motion}.

{Perpetual screw}. See {Endless screw}, under {Screw}. [1913 Webster]

Syn: Continual; unceasing; endless; everlasting; incessant; constant; eternal. See {Constant}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • 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 — (无穷 动, Wu qiong dong) est un film chinois réalisé par Ning Ying, sorti en 2005. Sommaire 1 Synopsis 2 Analyse 3 Réception critique 4 Fiche technique …   Wikipédia en Français

  • 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

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