precession

UK
/prɪˈsɛʃ.ən/
US
/prɪˈsɛʃ.ən/

Translations

precessionnoun
precessions
pl
précessionAstronomie, mécanique céleste.
The precession of the Earth's axis is responsible for the gradual shift in the orientation of the Earth's poles.
La précession de l'axe de la Terre est responsable du déplacement progressif de l'orientation des pôles terrestres.
Additional translations
antérioritéSens vieilli ou rare.
precessionadjective
UK
/prɪˈsɛʃ.ən/
US
/prɪˈsɛʃ.ən/
Used only attributively (e.g. "precession rate", "precession torque").
précessionnelTechnique.
Scientists calculated the precession rate of the spinning top.
Les scientifiques ont calculé le taux précessionnel de la toupie.

Definitions

precessionnoun
The slow movement of the axis of a spinning body around another axis due to a torque (such as gravitational influence) acting to change the direction of the first axis.
The precession of the Earth's axis is responsible for the gradual shift in the orientation of the Earth's poles.
(obsolete) The fact or act of going before; precedence.
In medieval chronicles, the precession of one event before another was often assumed to signify divine judgment.
precessionadjective
Attributive: of, relating to, or involving precession.
Scientists calculated the precession rate of the spinning top.