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urea
noun , biochem (formula CO(NH2)2) a compound, white and crystalline when purified, formed during amino-acid breakdown in the liver of mammals, and excreted in the urine. It is also manufactured synthetically for use as a component of plastics, pharmaceuticals, fertilizers and animal-feed additives.
[19c: from French urée , from Greek ouron urine]
ureal or ureic adjective .
noun , biochem (formula CO(NH2)2) a compound, white and crystalline when purified, formed during amino-acid breakdown in the liver of mammals, and excreted in the urine. It is also manufactured synthetically for use as a component of plastics, pharmaceuticals, fertilizers and animal-feed additives.
[19c: from French urée , from Greek ouron urine]
ureal or ureic adjective .
urea resin
noun a thermosetting resin made by heating urea and aldehyde, usually formaldehyde.
noun a thermosetting resin made by heating urea and aldehyde, usually formaldehyde.
urea-formaldehyde
noun a type of plastic, resin or foam, produced by condensation of urea with formaldehyde and often used in cavity insulation.
adjective relating to or denoting this substance.
[1920s]
noun a type of plastic, resin or foam, produced by condensation of urea with formaldehyde and often used in cavity insulation.
adjective relating to or denoting this substance.
[1920s]
ureide
noun , chem any of various acyl derivatives of urea.
[19c]
noun , chem any of various acyl derivatives of urea.
[19c]
uremia and uremic US spellings of uraemia, etc
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