[{"word":"guanine","phonetic":"/ˈɡwɑː.niːn/","phonetics":[{"text":"/ˈɡwɑː.niːn/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A substance first obtained from guano; it is a nucleic base and pairs with cytosine in DNA and RNA (by means of three hydrogen bonds).","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/guanine"]}]