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(ep-i-cy-cle) 4 syllables

Definition

noun. 1 a small circle the center of which moves around in the circumference of a larger circle; 2 a circle that rolls around inside or outside another circle

Example Sentence

Ptolemy used an epicycle to explain the variation in speed of the planets.

Synonyms

circle; round figure; orb

Antonyms

square

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epicycle
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