adjective
- relating to or characterized by precession, especially the slow movement of the axis of a spinning body
Usage: astronomy; physics
Examples
- The precessional motion of Earth’s axis causes the position of the North Star to change over thousands of years.
- Astronomers study precessional cycles to understand long-term climate patterns.
- The precessional wobble of the planet affects its seasonal variations over millennia.
- Scientists measured the precessional frequency of the spinning gyroscope.
- Precessional effects must be accounted for in precise astronomical calculations.