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any of a class of derivatives of urea and carboxylic acids, in which one or more of the hydrogen atoms have been replaced by acyl groups: includes the cyclic ureides, such as alloxan
ureide in American English
(ˈjʊriˌaɪd; ˈjʊriɪd)
noun
any of several compounds derived from urea by the replacement of one or more hydrogen atoms by an acid radical