pendulum
[ pen-juh-luh m, pen-duh- ]
/ ˈpɛn dʒə ləm, ˈpɛn də- /
noun
a body so suspended from a fixed point as to move to and fro by the action of gravity and acquired momentum.
Horology. a swinging lever, weighted at the lower end, for regulating the speed of a clock mechanism.
something that tends to move from one position, condition, etc., to the opposite extreme and then back again: In a democratic society, the pendulum of political thought swings left and right.
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RELATED WORDS
pressure, alarm, timer, counterpoise, stone, plumb, mass, counterbalance, rock, bob, anchor, ballast, sandbag, sinker, poundage, counterweight, dial, clock, watch, chronometer
Nearby words
pendu, pendular, pendular nystagmus, pendule, pendulous, pendulum, pendulum effect, pendulum watch, pene-, penecontemporaneous, peneios
Origin of pendulum
Related forms
pen·du·lum·like, adjectiveDictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for pendulum
British Dictionary definitions for pendulum
pendulum
/ (ˈpɛndjʊləm) /
noun
a body mounted so that it can swing freely under the influence of gravity. It is either a bob hung on a light thread (simple pendulum) or a more complex structure (compound pendulum)
such a device used to regulate a clockwork mechanism
something that changes its position, attitude, etc fairly regularlythe pendulum of public opinion
Word Origin for pendulum
C17: from Latin pendulus pendulous
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Science definitions for pendulum
pendulum
[ pĕn′jə-ləm ]
A mass hung from a fixed support so that it is able to swing freely under the influence of gravity. Since the motion of pendulums is regular and periodic, they are often used to regulate the action of various devices, especially clocks.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.