[{"word":"biotin","phonetic":"/ˈbaɪətɪn/","phonetics":[{"text":"/ˈbaɪətɪn/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A sulfur-containing member of the vitamin B complex, 5-[(3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl]pentanoic acid, found in liver, egg yolk, milk and yeast, essential to the activity of multiple enzyme systems.","synonyms":[],"antonyms":[]}],"synonyms":["vitamin B7","vitamin H"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/biotin"]}]