[{"word":"periapsis","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The point of a body's elliptical orbit about the system's centre of mass where the distance between the body and the centre of mass is at its minimum.","synonyms":[],"antonyms":[]}],"synonyms":["pericenter"],"antonyms":["apoapsis"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/periapsis"]}]