- pendulum watch
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(formerly) a watch having a balance wheel, esp. a balance wheel bearing a fake pendulum bob oscillating behind a window in the dial.[1655-65]
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Universalium. 2010.
pendulum watch
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pendulum watch — noun (18th century) a watch with a balance wheel having a fake pendulum attached to it • Hypernyms: ↑watch, ↑ticker * * * noun : a late 18th century watch with a mock pendulum attached to a concealed balance wheel and showing through a curved… … Useful english dictionary
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 — This article is about pendulums. For other uses, see Pendulum (disambiguation). Simple gravity pendulum model assumes no friction or air resistance … Wikipedia
Pendulum clock — A pendulum clock is a clock that uses a pendulum, a swinging weight, as its timekeeping element. From its invention in 1656 by Christiaan Huygens until the 1930s, the pendulum clock was the world s most accurate timekeeper, accounting for its… … Wikipedia
Watch — For other uses, see Watch (disambiguation). Early wrist watch by Waltham, worn by soldiers in World War I (Deutsches Uhrenmuseum, Inv. 47 3352) A watch is a small timepiece, typically worn either on the wrist or attached on a chain and carried in … Wikipedia
watch — /woch/, v.i. 1. to be alertly on the lookout, look attentively, or observe, as to see what comes, is done, or happens: to watch while an experiment is performed. 2. to look or wait attentively and expectantly (usually fol. by for): to watch for a … Universalium
pendulum rhythm — alternation in the rhythm of the heart sounds in which the diastolic sound is equal in time, character, and loudness to the systolic sound, the beat of the heart resembling the tick of a watch … Medical dictionary
