[{"word":"tubulin","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"Any of a group of proteins used as the material for microtubules","synonyms":[],"antonyms":[]},{"definition":"Specifically, the dimer of α-tubulin and β-tubulin","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/tubulin"]}]