precession
The English word “precession” has 4 meanings listed here.
noun
- Precedence.
- The wobbling motion of the axis of a spinning body when there is an external force acting on the axis.
- 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.
Etymology
From Middle English precessioun, precession, from Medieval Latin prēcessiōn-, prēcessio, from Latin praecēdō.
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More English words
- precertification
- precertify
- preces
- precess
- precession of the equinoxes
- precessional
- precessionally
- precessor
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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.