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[yoo r-ee-ahyd, -id] /ˈyʊər iˌaɪd, -ɪd/
noun, Chemistry
an acyl urea.
Origin of ureide
1855-60; ure(a) + -ide Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for ureide
  • Relative ureide content decreased with increasing nitrogen rate for the beginning bloom sampling date in all years.
  • Soybean plants fix atmospheric nitrogen in root nodules and convert the nitrogen into ureide molecules.
British Dictionary definitions for ureide


noun (chem)
any of a class of organic compounds derived from urea by replacing one or more of its hydrogen atoms by organic groups
any of a class of derivatives of urea and carboxylic acids, in which one or more of the hydrogen atoms have been replaced by acyl groups: includes the cyclic ureides, such as alloxan
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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