Pyr"a*zine (?), n. Also -zin . [Pyridine + Gr. &?; not + &?; life.] (Org. Chem.)

A feebly basic solid, C4H4N2, obtained by distilling piperazine with zinc dust, and in other ways. Also, by extension, any of various derivatives of the same.

 

© Webster 1913