Definition of “pendulum” - English Dictionary

british dictionary

“pendulum” in British English

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pendulumnoun

uk /ˈpen.dʒəl.əm/ us /ˈpen.dʒəl.əm/

[ C ] a device consisting of a weight on a stick or thread that moves from one side to the other, especially one that forms a part of some types of clocks:

The pendulum in the grandfather clock swung back and forth.
The spaceship's jets were fired periodically to dampen a side-to-side pendulum motion that had developed.

[ S ] a change, especially from one opinion to an opposite one:

As so often in education, the pendulum has swung back to the other extreme and testing is popular again.

(Definition of “pendulum” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“pendulum” in American English

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pendulumnoun [ C ]

us /ˈpen·dʒə·ləm/

a device consisting of a weight hanging on a rod or cord that moves from one side to the other, esp. one that forms a part of a clock

A pendulum is also power or control of an activity that changes from one group to another:

In labor-management relations, the pendulum has swung wildly in the direction of the players.

(Definition of “pendulum” from the Cambridge Academic Content Dictionary © Cambridge University Press)