单词 | piperazine |
释义 | piperazine[ pi-per-uh-zeen, -zin, pahy-, pip-er-uh- ] / pɪˈpɛr əˌzin, -zɪn, paɪ-, ˈpɪp ər ə- / noun Chemistry.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. Origin of piperazineFirst recorded in 1885–90; from Latin piper pepper + azine Words nearby piperazinepiper, piperaceous, piperacillin, piperacillin sodium, pipe rack, piperazine, piperidine, piperine, pipe roll, piperonal, piperonyl butoxide Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for piperazine
British Dictionary definitions for piperazinepiperazine / (pɪˈpɛrəˌziːn, -zɪn) / nouna 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 piperazinepiperazine [ pī-pĕr′ə-zēn′, pĭ- ] n.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 piperazinepiperazine [ 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. |
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