Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - A base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine.

Usage examples (33)
  • Adenine and guanine are fused five - and six-membered purines, while cytosine and thymine are six-membered rings called uracil (U), replaces thymine in RNA.
  • Hence, it is more efficient to quickly synthesize uracil and quickly synthesize labile RNAs.
  • RNA consists of the sugar, ribose and the four bases are adenine, guanine, cytosine and uracil.
  • uracil is cheaper to synthesize than thymine, because thymine has a methyl group that uracil lacks. for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.