English Reference

Word

pendulum

Phoneticspen·du·lum

US/ˈpɛndʒəɫəm/

UK/pˈɛndjʊləm/

Definition

n. a weight that hangs from a fixed point and swings back and forth. You often see this in old clocks or used as a symbol for changing opinions.

n. a body suspended from a fixed point so as to swing freely to and fro under the action of gravity. Frequently used metaphorically to describe a situation that oscillates between two extremes.

Examples

“The heavy pendulum in the old clock swings steadily.”

“Public opinion is like a pendulum, swinging from one political extreme to the other every few years.”

“The physicist adjusted the length of the wire to ensure the pendulum maintained a consistent period, demonstrating the principles of simple harmonic motion to the students.”

Examples

simple

“The heavy pendulum in the old clock swings steadily.”

contextual

“Public opinion is like a pendulum, swinging from one political extreme to the other every few years.”

complex

“The physicist adjusted the length of the wire to ensure the pendulum maintained a consistent period, demonstrating the principles of simple harmonic motion to the students.”

Usage

Often used in the phrase 'the pendulum swings' to describe a shift in mood, politics, or fashion.

Etymology

Borrowed from the neuter of Latin pendulus (“hanging”).

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry

Level
B2 · Upper Intermediate
Frequency
Frequent
Updated

Scan code

englishreference.com/q/pendulum

English Reference