the Ptolemaic system

noun
🔊/ðə ˌtɒləmeɪɪk ˈsɪstəm/
🔊/ðə ˌtɑːləmeɪɪk ˈsɪstəm/
[singular]
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  1. the theory in the past that the earth was the centre of the universe, with other planets and stars moving around it compare Copernican system