1. plural of pendulum: weights hung from fixed points so as to swing freely, especially as regulators of clock movements
2. plural of pendulum: things that swing back and forth between opposite conditions or positions
Usage: figurative

Examples

• The grandfather clocks had brass pendulums that swung steadily back and forth.
• Scientists studied the motion of several pendulums of different lengths.
• The museum displayed antique pendulums from various timepieces.
• Political pendulums often swing from liberal to conservative over time.
• The pendulums in the physics lab demonstrated principles of gravity and motion.
• Fashion trends act like pendulums, moving between extremes.
• The clockmaker carefully adjusted the pendulums to ensure accurate timekeeping.