(n.) A body so suspended from a fixed point as to swing freely to and fro by the alternate action of gravity and momentum. It is used to regulate the movements of clockwork and other machinery.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). pendulum. Retrieved September 22, 2026, from http://smartdefine.org/pendulum/definitions/2043316 |
| Chicago | Webster's. 2011. "pendulum" http://smartdefine.org/pendulum/definitions/2043316 (accessed September 22, 2026). |
| Harvard | Webster's 2011, pendulum, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/pendulum/definitions/2043316>. |
| MLA | Webster's. "pendulum" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/pendulum/definitions/2043316> |