Last modified on 17 May 2015, at 19:39

nutation

EnglishEdit

Wikipedia has an article on:

Wikipedia

EtymologyEdit

1610s, from Latin nūtātiō (nodding), from nūtō (I nod), from Proto-Indo-European *neu-.[1] Compare mutation.

PronunciationEdit

NounEdit

nutation (plural nutations)

  1. (physics) a bobbing motion that accompanies the precession of a spinning rigid body
  2. a nodding motion (of the head etc.)
  3. (astronomy) 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. (botany) the circular motion of the tip of a growing shoot

Derived termsEdit

TranslationsEdit

ReferencesEdit

  1. ^ nutation” in Douglas Harper, Online Etymology Dictionary (2001).