A pendulum in an old fashioned clock.
- The weights fixed to a pivot point on the end of a chain in a grandfather clock that pivot back and forth to help regulate the clock mechanism is an example of a pendulum.
- When popular home furniture styles shift from modern to traditional and back again, this is an example of the pendulum of taste.
Origin of pendulumModern Latin from neuter of Classical Latin pendulus: see pendulous
- 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, especially clocks. Also called simple pendulum .
- Something that swings back and forth from one course, opinion, or condition to another: the pendulum of public opinion.
Origin of pendulumNew Latin probably from Italian pendolo pendulous, pendulum from Latin pendulus hanging ; see pendulous .
(plural pendulums or pendula) (See usage notes.)
The plural form pendula is significantly rarer than pendulums; see etymology at pendula for details. However, pendula is occasionally used in physics.
Neuter of Latin pendulus, "hanging".