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precession
This term describes a specific type of rotational motion where the axis of a spinning object traces a cone-shaped path. It is most frequently encountered in physics and astronomy to explain the wobbling of a top or the long-term shift in Earth's orientation. The word carries a clinical, scientific tone and is rarely used in casual conversation.
Because it refers to a specific physical phenomenon or a single cycle of movement, it is treated as a standard countable noun. It should not be confused with procession, which refers to a line of people moving forward in a ceremony.
Meanings
Examples
The axial precession of Earth causes the North Star to change over thousands of years.
Look at how the top wobbles as it slows down; that is called precession.
We need to account for the precession of the orbit when calculating the planet's position.
The gyroscope exhibits a steady precession due to the applied torque.
I wonder if the ancient astronomers noticed the precession of the equinoxes.
The precession rate is incredibly slow, making it hard to observe in a single lifetime.
Does this model simulate the precession of a spinning pulsar accurately?
The subtle precession of the axis affects the long term climate cycles of the planet.