Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A single-ringed, crystalline organic base, C4H4N2, that forms uracil, cytosine, or thymine and is the parent compound of many drugs, including the barbiturates.
  • noun Any of several organic compounds derived from or structurally related to pyrimidine, especially the nitrogen bases uracil, cytosine, and thymine.

from The Century Dictionary.

  • noun An organic compound, composed of carbon, hydrogen, and nitrogen, so arranged that the carbon and nitrogen atoms form a ring or chain, as shown in the formula .

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry A diazine in which the two nitrogen atoms are in the meta- positions; it is the basis of three of the bases found in DNA and RNA, thymine, uracil and cytosine

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of several basic compounds derived from pyrimidine
  • noun a heterocyclic organic compound with a penetrating odor

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[Alteration of pyridine.]

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Examples

  • From these results Funk believed the vitamine to belong to a class of substances known as the pyrimidine bases.

    The Vitamine Manual Walter H. Eddy

  • To improve the fit, researchers led by chemical biologist Nathanael Gray, PhD, prepared a group of inhibitors with a different structural scaffold, known as a pyrimidine core, which, it was thought, would mesh more thoroughly.

    PhysOrg.com - latest science and technology news stories 2009

  • To improve the fit, researchers led by chemical biologist Nathanael Gray, PhD, prepared a group of inhibitors with a different structural scaffold, known as a pyrimidine core, which, it was thought, would mesh more thoroughly.

    PhysOrg.com - latest science and technology news stories 2009

  • To improve the fit, researchers led by chemical biologist Nathanael Gray, PhD, prepared a group of inhibitors with a different structural scaffold, known as a pyrimidine core, which, it was thought, would mesh more thoroughly.

    PhysOrg.com - latest science and technology news stories 2009

  • To improve the fit, researchers led by chemical biologist Nathanael Gray, PhD, prepared a group of inhibitors with a different structural scaffold, known as a pyrimidine core, which, it was thought, would mesh more thoroughly.

    PhysOrg.com - latest science and technology news stories 2009

  • To improve the fit, researchers led by chemical biologist Nathanael Gray, PhD, prepared a group of inhibitors with a different structural scaffold, known as a pyrimidine core, which, it was thought, would mesh more thoroughly.

    PhysOrg.com - latest science and technology news stories 2009

  • Recommended name pyrimidine-deoxynucleoside 2'-dioxygenase Synonyms deoxyuridine

    Recently Uploaded Slideshows arab2000.forumpro.fr@slideshare.net(arab2000.forum 2009

  • D. Sutherland, Synthesis of activated pyrimidine ribonucleotides in prebiotically plausible conditions, Nature 459, 239 (2009). doi: 10.1038/nature08013.

    Convincing Evidence for God 2010

  • Furthermore, although Powner and colleagues 'synthetic sequence yields the pyrimidine ribonucleotides, it cannot explain how purine ribonucleotides (which incorporate guanine and adenine) might have formed.

    Convincing Evidence for God 2010

  • Furthermore, although Powner and colleagues 'synthetic sequence yields the pyrimidine ribonucleotides, it cannot explain how purine ribonucleotides (which incorporate guanine and adenine) might have formed.

    Convincing Evidence for God 2010

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