ureide

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u·re·ide

 (yo͝or′ē-īd′)
n.
Any of various derivatives of urea.

ureide

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Compounds) any of a class of derivatives of urea and carboxylic acids, in which one or more of the hydrogen atoms have been replaced by acyl groups: includes the cyclic ureides, such as alloxan

u•re•ide

(ˈyʊər iˌaɪd, -ɪd)

n.
an acyl urea.
[1855–60]