(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

Synonym of Foucault's pendulum

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

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

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.

A mechanically powered circular saw with the blade mounted so it can swing into the material.

plural of pendulum saw