noun🔗ShareThymineA heterocyclic base, 5-methylpyrimidine-2,4(1H,3H)-dione; it pairs with adenine in DNA."During biology class, we learned that thymine is a chemical component of DNA. "Pendant le cours de biologie, nous avons appris que la thymine est un composant chimique de l'ADN.biochemistrybiologycompoundsubstancechemistryChat with AIVocabulary GamePractice Reading