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Definition of Uracil
1. Noun. A base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine.
Definition of Uracil
1. Noun. (chemistry) One of the bases of RNA. It pairs with adenine and is symbolised by U. ¹
¹ Source: wiktionary.com
Definition of Uracil
1. a chemical compound [n -S]
Medical Definition of Uracil
1.