nutation

Etymology
1610s, from, from. Compare.

Noun

 * 1)  A bobbing motion that accompanies the precession of a spinning rigid body.
 * 2) A nodding motion (of the head etc.).
 * 3)  Any of several irregularities in the precession of the equinoxes caused by varying torque applied to the Earth by the Sun and the Moon.
 * 4)  The circular motion of the tip of a growing shoot.

Translations

 * German:
 * Greek: κλόνηση
 * Irish: nútaíocht, nútú
 * Kazakh: нутация
 * Portuguese:
 * Russian:
 * Spanish: nutación


 * Bulgarian: кимане
 * Portuguese:
 * Russian:


 * Chinese:
 * Mandarin:
 * French:
 * German:
 * Greek: κλόνηση
 * Irish: nútaíocht, nútú
 * Japanese: 章動
 * Kazakh: нутация
 * Portuguese:
 * Spanish: nutación