Definition of "piperazine" []

• A colorless crystalline compound, C4H10N2, used as a hardener for epoxy resins, an antihistamine, and an anthelmintic. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "New drugs belonging to the phenethylamine, tryptamine and piperazine families were also identified."
• "The laboratory has received numerous Ecstasy mimic tablets containing this piperazine mixture over the past year, but never before in these unusual tablet shapes."
• "Maybe Janssen could branch out, do anxiolytic potato chips, a Ben and Jerry's SSRI Swirl, piperazine pretzels?"