[{"word":"bradykinin","phonetic":"/ˌbɹæd.ɪˈkʌɪ.nɪn/","phonetics":[{"text":"/ˌbɹæd.ɪˈkʌɪ.nɪn/","audio":""},{"text":"/ˌbɹeɪ.dəˈkaɪ.nɪn/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A compound released in the blood in some circumstances which causes contraction of smooth muscle and dilation of blood vessels. It is a peptide with nine amino-acid residues.","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/bradykinin"]}]