Definition of uracil in English:

uracil

Syllabification: u·ra·cil
Pronunciation: /ˈyo͝orəˌsil
 
/

noun

Biochemistry
  • A compound found in living tissue as a constituent base of RNA. In DNA its place is taken by thymine.
    • A pyrimidine derivative; chemical formula: C4H4N2O2
    More example sentences
    • Thymine, present in DNA, and uracil, present in RNA, also contribute to this band.
    • RNA has the same set of four bases, except that instead of thymine, RNA has uracil - commonly referred to as U.
    • The nitrogen-containing units are the bases: adenine, cytosine, guanine, and uracil.

Origin

late 19th century: from ur(ea) + ac(etic) + -il.

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