precession.

A gradual change in the direction of a rotating body’s axis or a related orbital orientation.

Use it for

Words that belong together

• axial precession
• orbital precession

On the page

Axial precession shifted the pole’s direction.

The simulation tracked orbital precession.

Usage notes

Primary category: sci-fi. Forms: Usually uncountable. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.