- the slow, conical motion of the earth's axis of rotation, caused by the gravitational attraction of the sun and moon, and, to a smaller extent, of the planets, on the equatorial bulge of the earth.
- precession of the equinoxes.
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Origin of precession
OTHER WORDS FROM precessionpre·ces·sion·al, adjective
Words nearby precession
Example sentences from the Web for precession
A radiofrequency pulse not only knocks protons down, but synchronizes their spins with each other, matching their precession frequencies into a coordinated group choreography.
The Toronto team used this precession to act as the hands of a clock, called a Larmor clock.Quantum Tunnels Show How Particles Can Break the Speed of Light|Natalie Wolchover|October 20, 2020|Quanta Magazine
This is due to what is known as "precession;" a slow movement of the axis upon which the earth rotates.The Astronomy of the Bible|E. Walter Maunder
Does the precession of the equinoxes have any effect upon the seasons or upon the climate of different parts of the earth?
Will the precession ever bring back the right ascensions and declinations to be again what they now are?
This slow movement forward of the goal-post is called precession—the precession of the equinoxes.Pioneers of Science|Oliver Lodge
Instruct the computer to discontinue precession operations that have been initiated.Where I Wasn't Going|Walt Richmond