Ptolemaic-system
noun, Astronomy.
1.
a system elaborated by Ptolemy and subsequently modified by others, according to which the earth was the fixed center of the universe, with the heavenly bodies moving about it.
Ptolemaic system
noun
1.
the theory of planetary motion developed by Ptolemy from the hypotheses of earlier philosophers, stating that the earth lay at the centre of the universe with the sun, the moon, and the known planets revolving around it in complicated orbits. Beyond the largest of these orbits lay a sphere of fixed stars See also epicycle (sense 1) Compare Copernican system
Ptolemaic system
(tŏl’ə-mā’ĭk)
The astronomical system of Ptolemy, in which Earth is at the center of the universe and all celestial bodies revolve around it. The Sun, Moon, and planets revolve at different levels in circular orbits, and the stars lie in fixed locations on a sphere that revolves beyond these orbits. See more at epicycle.
Read Also:
- Ptolemaic universe
Ptolemaic universe [(tol-uh-may-ik)] The model for the universe, put forth by the ancient Greek astronomer Ptolemy, that had the Earth at the center, with the sun, moon, planets, and stars revolving around it. Note: The Ptolemaic system prevailed in astronomy for nearly fifteen hundred years, until the model of the solar system proposed by Nicolaus […]
- Ptolemais
a maritime city of Galilee (Acts 21:7). It was originally called “Accho” (q.v.), and received the name Ptolemais from Ptolemy Soter when he was in possession of Coele-Syria.
- Ptolemaist
noun 1. an adherent or advocate of the Ptolemaic system of astronomy. noun 1. a believer in or adherent of the Ptolemaic system of the universe
- Ptolemies
noun, plural Ptolemies for 2. 1. (Claudius Ptolemaeus) flourished a.d. 127–151, Hellenistic mathematician, astronomer, and geographer in Alexandria. 2. any of the kings of the Macedonian dynasty that ruled Egypt 323–30 b.c. noun 1. Latin name Claudius Ptolemaeus. 2nd century ad, Greek astronomer, mathematician, and geographer. His Geography was the standard geographical textbook until the […]
- Ptolemy
noun, plural Ptolemies for 2. 1. (Claudius Ptolemaeus) flourished a.d. 127–151, Hellenistic mathematician, astronomer, and geographer in Alexandria. 2. any of the kings of the Macedonian dynasty that ruled Egypt 323–30 b.c. noun 1. (surnamed Soter) 367?–280 b.c, ruler of Egypt 323–285: founder of Macedonian dynasty in Egypt. noun 1. (surnamed Philadelphus) 309?–247? b.c, king […]