[ bahy-yuh-ret, bahy-yuh-ret ]
/ ˌbaɪ yəˈrɛt, ˈbaɪ yəˌrɛt /

noun Chemistry.

a white crystalline substance, C2H5O2N3⋅H2O, soluble in water and alcohol, used for the identification of urea, from which it is formed on heating.

Origin of biuret

< German Biuret (1847); see bi-1, urea, -uret Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for biuret

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

  • 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
  • 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
  • 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

Medicine definitions for biuret

[ bī′yə-rĕt, bīyə-rĕt′ ]


A derivative of urea obtained by heating.carbamylurea
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.