[{"word":"prothrombin","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A glycoprotein, produced in the liver, that is converted into thrombin during bleeding and subsequent clotting.","synonyms":[],"antonyms":[]}],"synonyms":["factor II"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/prothrombin"]}]