noun🔗SharePyrimidineA 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"The science lesson explained that pyrimidines, like thymine and cytosine, are essential building blocks of DNA's genetic code. "Die Unterrichtsstunde in Naturwissenschaften erklärte, dass Pyrimidine, wie Thymin und Cytosin, essentielle Bausteine des genetischen Codes der DNA sind.chemistrybiochemistrybiologycompoundChat with AIVocabulary GamePractice Reading