[ pi-per-uh-zeen, -zin, pahy-, pip-er-uh- ]
/ pɪˈpɛr əˌzin, -zɪn, paɪ-, ˈpɪp ər ə- /
Also called pip·er·az·i·dine [pip-uh-raz-i-deen, -din, pahy-puh-] /ˌpɪp əˈræz ɪˌdin, -dɪn, ˌpaɪ pə-/. a colorless, crystalline, deliquescent ring compound, C4H10N2, prepared by the reaction of ethylene bromide or ethylene chloride with ammonia: used chiefly in veterinary medicine as an anthelmintic, and as an insecticide.
any derivative of this compound.
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Question 1 of 10
Which of the options below is the best punctuation for the sentence? It__s your turn to pick the movie __ but your sister gets to pick the board game we _ re going to play.
Its your turn to pick the movie but your sister gets to pick the board game we’re going to play.
It’s your turn to pick the movie but your sister gets to pick the board game were going to play.
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Origin of piperazine
1885–90; < Latin piper pepper + -azine
Words nearby piperazine
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for piperazine
In fact, Urodonal is five times more active than piperazine, and thirty-seven times more active than lithia.
Add gradually ten ounces of piperazine, a pint of Harrogate water and inhale leisurely through a zoetrope.
British Dictionary definitions for piperazine
/ (pɪˈpɛrəˌziːn, -zɪn) /
a white crystalline deliquescent heterocyclic nitrogen compound used as an insecticide, corrosion inhibitor, and veterinary anthelmintic. Formula: C 4 H 10 N 2
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medical definitions for piperazine
[ pī-pĕr′ə-zēn′, pĭ- ]
A colorless crystalline compound used as a hardener for epoxy resins, an antihistamine, and an anthelmintic.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for piperazine
[ pī-pĕr′ə-zēn′, pĭ- ]
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: C4H10N2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.