PTOLEMAIC SYSTEM


Meaning of PTOLEMAIC SYSTEM in English

(also Ptolemaic theory )

■ noun Astronomy, historical the theory that the earth is the stationary centre of the universe, with the planets moving in epicyclic orbits within surrounding concentric spheres. Compare with Copernican system .

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.