alloxan
noun
al·lox·an ə-ˈläk-sən 
: a crystalline compound C4H2N2O4 causing diabetes mellitus when injected into experimental animals
Word History
Etymology
borrowed from German Alloxan, from all- (in Allantoin allantoin) + ox- (in Oxalsäure oxalic acid) + -an -an entry 3
First Known Use
1839, in the meaning defined above
Medical Definition
alloxan
noun
al·lox·an ə-ˈläk-sən
: a crystalline compound C4H2N2O4 causing diabetes mellitus when injected into experimental animals
also : one of its similarly acting derivatives
called also mesoxalylurea