'Piperazine' definitions:

Definition of 'piperazine'

(from WordNet)
noun
Vermifuge used to treat infestations by roundworms or pinworms

Definition of 'Piperazine'

From: GCIDE
  • Piperazine \Pi*per"a*zine\, n. Also -zin \-zin\ . [Piperidine + azote + -ine.] (Chem.) A crystalline substance, (C2H4NH)2, formed by action of ammonia on ethylene bromide, by reduction of pyrazine, etc. It is a strong base, and is used as a remedy for gout. [Webster 1913 Suppl.]