pi·​per·​a·​zine | \ pi-ˈper-ə-ˌzēn How to pronounce piperazine (audio) , pī- How to pronounce piperazine (audio) \

Definition of piperazine

: a crystalline heterocyclic base C4H10N2 used especially as an anthelmintic

Examples of piperazine in a Sentence

Recent Examples on the Web Drugs that would be prohibited include any synthetic cannabinoids as well as piperazines or synthetic cathinones that are not approved for use by the U.S. Food and Drug Administration. Monique Garcia, chicagotribune.com, 10 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'piperazine.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of piperazine

1889, in the meaning defined above

History and Etymology for piperazine

International Scientific Vocabulary piperidine + azine

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Time Traveler for piperazine

Time Traveler

The first known use of piperazine was in 1889

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Dictionary Entries Near piperazine



pipe reamer

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Cite this Entry

“Piperazine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/piperazine. Accessed 19 Oct. 2021.

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More Definitions for piperazine


pi·​per·​a·​zine | \ pī-ˈper-ə-ˌzēn How to pronounce piperazine (audio) \

Medical Definition of piperazine

: a crystalline heterocyclic base C4H10N2 or C4H10N2·6H2O used especially as an anthelmintic

More from Merriam-Webster on piperazine

Britannica.com: Encyclopedia article about piperazine


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