L'épicycle est un composant essentiel du système astronomique de Ptolémée (IIe siècle) (système géocentrique qui sera utilisé jusqu'à Copernic (XVIe siècle) ...
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Définition epicycle: Petit cercle imaginé par les anciens astronomes, et dont le centre parcourt la circonférence d'un cercle plus grand.
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ep·i·cy·cle ( p -s k l). n. 1. In Ptolemaic cosmology, a small circle, the center of which moves on the circumference of a larger circle at whose center is ...
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epicycle n. In Ptolemaic cosmology, a small circle, the center of which moves on the circumference of a larger circle at whose center is the earth.
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Astronomy. a small circle the center of which moves around in the circumference of a larger circle: used in Ptolemaic astronomy to account for observed ...
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Epicycle · Astrological definition of Epicycle · Astrology Encyclopedia.
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EPICYCLE (Gr. Esri, upon, and icbsXos, circle), in ancient astronomy, a small circle the centre of which describes a larger one. ...
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noun. a circle whose center moves along the circumference of another, larger circle: term used to describe planetary motions in the Ptolemaic system ...
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