precession
IPA: prisˈɛʃʌn
noun
- (uncountable) Precedence.
- (physics, countable) The wobbling motion of the axis of a spinning body when there is an external force acting on the axis.
- (astronomy, uncountable) The slow gyration of the earth's axis around the pole of the ecliptic, caused mainly by the gravitational torque of the sun and moon.
- Any of several slow changes in an astronomical body's rotational or orbital parameters.
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Examples of "precession" in Sentences
- I had learned the precession of the equinoxes.
- The precession of the equinoxes is complicated.
- The change is due to precession of the equinoxes.
- Is this because of the Precession of the equinoxes
- Can you explain the precession of the orbit of mercury
- Hipparchus later discovered the precession of the Earth.
- It has little to do with the precession of the pendulum.
- Please read the article of the precession of the equinoxes.
- The sum of the two precessions is known as the general precession.
- But isn't the rate of precession for a small angle of wobble always fixed