[{"word":"epicycle","phonetic":"/ˈɛpɪˌsaɪkəl/","phonetics":[{"text":"/ˈɛpɪˌsaɪkəl/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A small circle whose centre is on the circumference of a larger circle; in Ptolemaic astronomy it was seen as the basis of revolution of the \"seven planets\", given a fixed central Earth.","synonyms":[],"antonyms":[]},{"definition":"Any circle whose circumference rolls around that of another circle, thus creating a hypocycloid or epicycloid.","synonyms":[],"antonyms":[]},{"definition":"A ring of atoms joining parts of an already cyclic compound","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/epicycle"]}]