[{"word":"urea","phonetic":"/jʊˈɹiːə/","phonetics":[{"text":"/jʊˈɹiːə/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A water-soluble organic compound, CO(NH2)2, formed by the metabolism of proteins and excreted in the urine.","synonyms":[],"antonyms":[]},{"definition":"Any N-substituted derivative of urea, with the general formula (R1R2N)CO(NR3R4).","synonyms":[],"antonyms":[]}],"synonyms":["carbamide"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/urea"]}]