ˈpirəˌzēn, -_zə̇n noun
Etymology: International Scientific Vocabulary pyr- + azine
: a crystalline feeble heterocyclic base C 4 H 4 N 2 obtained usually by distilling piperazine with zinc dust — called also paradiazine
ˈpirəˌzēn, -_zə̇n noun
Etymology: International Scientific Vocabulary pyr- + azine
: a crystalline feeble heterocyclic base C 4 H 4 N 2 obtained usually by distilling piperazine with zinc dust — called also paradiazine
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012