(clocks, mechanics) A body suspended from a fixed support so that it swings freely back and forth under the influence of gravity, commonly used to regulate various devices such as clocks.

plural of pendulum

A pendulum on a long wire, free to move in any direction; the plane of its motion appears to turn (clockwise in the Northern Hemisphere) as the world turns beneath it.

(physics) Any pendulum having a period equal to that of a hypothetical pendulum whose length is equal to the Earth's radius (84.4 minutes); its arm will remain locally vertical when the pivot is moved and is therefore the basis of navigational instruments

(physics) A hypothetical pendulum consisting of a weight suspended by a weightless string.

Synonym of Foucault's pendulum

Any clock that uses a pendulum to regulate its movement

A type of interest arbitration in which the arbitrator chooses one of the parties' proposals on each (or perhaps all) disputed issues.

plural of Foucault pendulum

plural of pendulum clock