Meaning of PRECESSION in English

PRECESSION

n. the slow movement of the axis of a spinning body around another axis.

Phrases and idioms:

precession of the equinoxes

1. the slow retrograde motion of equinoctial points along the ecliptic.

2 the resulting earlier occurrence of equinoxes in each successive sidereal year.

Derivatives:

precessional adj.

Etymology: LL praecessio (as PRECEDE)

Oxford English vocab.      Оксфордский английский словарь.