[{"word":"mascon","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A region within a solid astronomical body that is of higher density than the surrounding material.","synonyms":[],"antonyms":[]},{"definition":"A lunar mare that has a greater density of rock than the surrounding area.","synonyms":[],"antonyms":[]},{"definition":"Mass concentration","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/mascon"]}]