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biuret

[bahy-yuh-ret, bahy-yuh-ret]
noun Chemistry.
  1. a white crystalline substance, C2H5O2N3⋅H2O, soluble in water and alcohol, used for the identification of urea, from which it is formed on heating.
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Origin of biuret

< German Biuret (1847); see bi-1, urea, -uret
Also called allophanamide, carbamylurea.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for biuret

Historical Examples

  • The absence of a biuret reaction would point in that direction and the question must await further study.

    The Nature of Animal Light

    E. Newton Harvey

  • On now testing a portion of the clear filtrate for peptone by the biuret test, not a trace of a reaction could be obtained.

    On Digestive Proteolysis

    R. H. Chittenden

  • Amongst these is the biuret reaction: a pink colour obtained by adding a trace of copper sulphate and an excess of caustic soda.

    Animal Proteins

    Hugh Garner Bennett

  • Inasmuch as most natural proteins contain several such groups, the biuret reaction is a very general test for proteins.

    The Chemistry of Plant Life

    Roscoe Wilfred Thatcher

biuret in Medicine

biuret

(bī′yə-rĕt′, bī′yə-rĕt′)
n.
  1. A derivative of urea obtained by heating.carbamylurea
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.