[{"word":"concentric","phonetics":[],"meanings":[{"partOfSpeech":"adjective","definitions":[{"definition":"Having a common center.","synonyms":[],"antonyms":[]},{"definition":"(of a motion) in the direction of contraction of a muscle. (E.g. extension of the lower arm via the elbow joint while contracting the triceps and other elbow extensor muscles; closing of the jaw while flexing the masseter).","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":["eccentric"]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/concentric"]}]