piperazine
Americannoun
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Also called piperazidine. 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.
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any derivative of this compound.
noun
Etymology
Origin of piperazine
First recorded in 1885–90; from Latin piper pepper + azine ( def. )
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Zhang’s trick was to add polyvinyl alcohol to the piperazine, further lowering its diffusion rate and allowing it to act as the activator to the trimesoyl chloride’s inhibitor.
From Nature ● May 2, 2018
In a conventional process, trimesoyl chloride diffuses faster than piperazine, but the difference is not big enough to produce a Turing structure.
From Nature ● May 2, 2018
One of the starting materials, piperazine hexahydrate, some of which can make it into the final product, is extremely toxic to the liver.
From Nature ● Jun. 15, 2011
The bean is one of the noblest of vegetables and is exceptionally rich in calories, protein, casein, carbo-hydrates, thymol, hexamyl, piperazine, salicylic dioxide, and permanganate of popocatapetl.
From Punch, or the London Charivari, Vol. 159, 1920-09-01 by Various
Add gradually ten ounces of piperazine, a pint of Harrogate water and inhale leisurely through a zoetrope.
From Punch, or the London Charivari, Volume 153, July 4, 1917 by Various
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