Definitions

1. noun

A slow, wavelike motion, especially of the Earth’s axis, causing a shift in the position of the celestial equator.

“The astronomers studied the effects of nutation on the planet’s rotation period.”

2. noun

A slow or gradual movement, especially of the body or limbs.

“The dancer’s nutation through the dance floor captivated the audience.”

3. noun

A type of precession in the Earth’s axis caused by the gravitational pull of the Sun and Moon.

“The researchers calculated the effects of nutation on the Earth’s polar motion.”