Share this entry

Share this page

nutation

Saltos de línea: nu|ta¦tion
Pronunciación: /njuːˈteɪʃ(ə)n
 
/

Definición de nutation en inglés:

sustantivo

[mass noun]
1A periodic variation in the inclination of the axis of a rotating object.
1.1 Astronomy A periodic oscillation of the earth’s axis which causes the precession of the poles to follow a wavy rather than a circular path.
Example sentences
  • There is a small periodic effect called nutation superimposed on precession caused by the motion of the perihelion of the Moon.
  • In addition to the precession and nutation of the Earth's rotational axis, the Earth itself undergoes a wobble such that the crust wanders about the rotational axis with a combination of two periods and amplitudes.
  • Bessel's work in determining the constants of precession, nutation and aberration won him further honours, such as a prize from the Berlin Academy in 1815.
2 Botany The circular swaying movement of the tip of a growing shoot.

Origen

early 17th century (denoting nodding of the head): from Latin nutatio(n-), from nutare 'to nod'.

Definición de nutation en:

Share this entry

Share this page

 

¿Qué te llama la atención de esta palabra o frase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Obtenga más de Oxford Dictionaries

Suscribirse para eliminar anuncios y acceder a los recursos premium

Palabra del día emulous
Pronunciación: ˈɛmjʊləs
adjective
seeking to emulate someone or something