n. a true bug.
n. a natural family containing the squash bugs and leaf-footed bugs.
n. [ Di- + ureide. ] (Chem.) One of a series of complex nitrogenous substances regarded as containing two molecules of urea or their radicals, as uric acid or allantoin. Cf. Ureide. [ 1913 Webster ]
n. [ Mon- + ureid. ] (Chem.) Any one of a series of complex nitrogenous substances regarded as derived from one molecule of urea;
n.;
n. (Zool.) Any annelid resembling
n. See Oroide. [ 1913 Webster ]
n. (Chem.) Any one of the many complex derivatives of urea; thus, hydantoin, and, in an extended dense, guanidine, caffeine, et., are ureides.