ˈyu̇rəˌzēn, -_zə̇n noun
( -s )
Etymology: International Scientific Vocabulary ur- (I) + az- + -ine; originally formed as German urazin
1. : a crystalline compound C 2 H 4 N 4 O 2 that is an amino derivative of urazole
2. : an isomeric crystalline compound C 2 H 4 N 4 O 2 derived from tetrazine or theoretically as a condensation product of two molecules of urea — called also para-urazine