[{"word":"pyrimidines","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA: thymine, uracil and cytosine","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/pyrimidine","https://en.wiktionary.org/wiki/pyrimidines"]}]