[{"word":"methaemoglobin","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"An oxidized form of hemoglobin, containing ferric rather than ferrous iron, that cannot transport oxygen.","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/methaemoglobin","https://en.wiktionary.org/wiki/methemoglobin"]}]