Definition of uracil in English:

uracil

Line breaks: ura¦cil
Pronunciation: /ˈjʊərəsɪl
 
/

noun

[mass noun] Biochemistry
A compound found in living tissue as a constituent base of RNA. In DNA it is replaced 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.

Definition of uracil in:

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day nous
Pronunciation: no͞os
noun
the mind or intellect