piperazine

[ pi-per-uh-zeen, -zin, pahy-, pip-er-uh- ]

noun

, Chemistry.

1. Also called pip·er·az·i·dine [pip-, uh, -, raz, -i-deen, -din, pahy-p, uh, -]. a colorless, crystalline, deliquescent ring compound, C 4 H 1 0 N 2 , prepared by the reaction of ethylene bromide or ethylene chloride with ammonia: used chiefly in veterinary medicine as an anthelmintic, and as an insecticide.
2. any derivative of this compound.

piperazine

/ pɪˈpɛrəˌziːn; -zɪn /

noun

1. a white crystalline deliquescent heterocyclic nitrogen compound used as an insecticide, corrosion inhibitor, and veterinary anthelmintic. Formula: C 4 H 10 N 2

piperazine

/ pī-pĕr′ə-zēn′,pĭ- /

1. A colorless crystalline compound used as a hardener for epoxy resins, as an antihistamine, and as an agent for expelling or destroying parasitic intestinal worms. Piperazine belongs to the class of chemicals called pyrazines. Chemical formula: C 4 H 10 N 2 .

Word History and Origins

Origin of piperazine¹

First recorded in 1885–90; from Latin piper pepper + azine ( def )

Example Sentences

In fact, Urodonal is five times more active than piperazine, and thirty-seven times more active than lithia.

From Project Gutenberg

Add gradually ten ounces of piperazine, a pint of Harrogate water and inhale leisurely through a zoetrope.

From Project Gutenberg