[yoor-ee-ahyd, -id]
noun Chemistry.
an acyl urea.

1855–60; ure(a) + -ide

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World English Dictionary
ureide (ˈjʊərɪˌaɪd)
1.  any of a class of organic compounds derived from urea by replacing one or more of its hydrogen atoms by organic groups
2.  any of a class of derivatives of urea and carboxylic acids, in which one or more of the hydrogen atoms have been replaced by acyl groups: includes the cyclic ureides, such as alloxan

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Example sentences
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.
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