[{"word":"luciferin","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Any of a class of polycyclic heterocycles that are responsible for the bioluminescence of fireflies, being converted to oxyluciferin by luciferase in the process.","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/luciferin"]}]