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

  • n. See urea.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. urea

from the GNU version of the Collaborative International Dictionary of English

  • n. The technical name for urea.

from The Century Dictionary and Cyclopedia

  • n. A compound identical with urea, having the formula CO(NH2)2.
  • n. A general name for the derivatives of urea.

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

  • n. the chief solid component of mammalian urine; synthesized from ammonia and carbon dioxide and used as fertilizer and in animal feed and in plastics


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

carb(o)- + amide.


  • In this model the ice grain was compressed by 40% and formed new C-N bonds, producing molecules such as carbamide (urea - CH4N2O), which is a natural molecule formed in the liver from ammonia produced by the de-amination of amino acids. - latest science and technology news stories

  • Look for hydrogen peroxide instead of carbamide peroxide ingredients.

    CNN Transcript Nov 4, 2004

  • Hydrogen peroxide works faster than carbamide see Step 3, but takes longer to get results and deactivates faster.

    How To Buy & Sell just about Everything

  • The ACCC said more recalls were likely after it recently notified suppliers that products containing more than six per cent hydrogen peroxide or more than 18 per cent carbamide peroxide were unsafe. | Top Stories

  • After 50 picoseconds of relaxation Goldman's group saw just five types of molecule with carbon-nitrogen bonds including hydrogen cyanide and more carbamide.

    Scientific American

  • The team noticed that molecules with carbon-nitrogen bonds were forming, including an unstable molecule called carbamide.

    Scientific American

  • Dentists have used carbamide peroxide, or urea peroxide, for decades to whiten teeth, but its original use was as an oral antiseptic.

    EurekAlert! - Breaking News

  • Association noted that applying the tooth whitener carbamide peroxide through a custom-fit mouth tray might combat those problems.

    EurekAlert! - Breaking News

  • The carbamide peroxide gel can be prescribed or purchased over-the-counter.

    EurekAlert! - Breaking News

  • Lazarchik said further research is needed to determine a specific protocol for using tray-applied carbamide peroxide specifically to improve oral health.

    EurekAlert! - Breaking News


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