Definitions for uracilˈyʊər ə sɪl

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Random House Webster's College Dictionary

u•ra•cilˈyʊər ə sɪl(n.)

  1. a pyrimidine base, C4H4N2O2, that is one of the fundamental components of RNA, in which it forms base pairs with adenine.

    Category: Biochemistry

    Ref: Symbol: U 5

Origin of uracil:

1905–10; ur -1+ac (etic ) +-il, of uncert. orig.

Princeton's WordNet

  1. uracil, U(noun)

    a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine

Wiktionary

  1. uracil(Noun)

    One of the bases of RNA. It pairs with adenine and is symbolised by U.

  2. Origin: From ur- + acetic + -ile


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