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the to-and-fro of a pendulum

См. также в других словарях:

  • to-and-fro — I. | ̷ ̷ ̷ ̷| ̷ ̷ noun ( s) Etymology: from the adverb phrase to and fro 1. a. : fluctuation, vacillation …   Useful english dictionary

  • to-and-fro — /tu ən ˈfroʊ/ (say tooh uhn froh) noun 1. movement back and forth: the to and fro of the pendulum. –adjective 2. of or relating to such a movement: the to and fro motion of the boat. –adverb 3. back and forth …  

  • Pendulum — Pen du*lum, n.; pl. {Pendulums}. [NL., fr. L. pendulus hanging, swinging. See {Pendulous}.] A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the movements …   The Collaborative International Dictionary of English

  • Pendulum bob — Pendulum Pen du*lum, n.; pl. {Pendulums}. [NL., fr. L. pendulus hanging, swinging. See {Pendulous}.] A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the… …   The Collaborative International Dictionary of English

  • Pendulum level — Pendulum Pen du*lum, n.; pl. {Pendulums}. [NL., fr. L. pendulus hanging, swinging. See {Pendulous}.] A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the… …   The Collaborative International Dictionary of English

  • Pendulum wheel — Pendulum Pen du*lum, n.; pl. {Pendulums}. [NL., fr. L. pendulus hanging, swinging. See {Pendulous}.] A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the… …   The Collaborative International Dictionary of English

  • pendulum — [pen′dyo͞o ləm, pen′dyələm, pen′dələm; pen′jo͞oləm, pen′jəem] n. [ModL < neut. of L pendulus: see PENDULOUS] a body hung from a fixed point so as to swing freely to and fro under the combined forces of gravity and momentum: often used in… …   English World dictionary

  • pendulum — pendulumlike, adj. /pen jeuh leuhm, pen deuh /, n. 1. a body so suspended from a fixed point as to move to and fro by the action of gravity and acquired momentum. 2. Horol. a swinging lever, weighted at the lower end, for regulating the speed of… …   Universalium

  • pendulum — pen•du•lum [[t]ˈpɛn dʒə ləm, ˈpɛn dyə , də [/t]] n. 1) mec a body so suspended from a fixed point as to move to and fro by the action of gravity and acquired momentum 2) hor a swinging lever, weighted at the lower end, for regulating the speed of …   From formal English to slang

  • pendulum — /ˈpɛndʒələm / (say penjuhluhm) noun 1. a body so suspended from a fixed point as to move to and fro by the action of gravity and acquired kinetic energy. 2. a swinging device used for controlling the movement of clockwork. {New Latin, properly… …  

  • pendulum — noun Etymology: New Latin, from Latin, neuter of pendulus Date: 1660 1. a body suspended from a fixed point so as to swing freely to and fro under the action of gravity and commonly used to regulate movements (as of clockwork) 2. something (as a… …   New Collegiate Dictionary

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