piperazine

noun

pi·​per·​a·​zine pi-ˈper-ə-ˌzēn How to pronounce piperazine (audio) pī- How to pronounce piperazine (audio)
: a crystalline heterocyclic base C4H10N2 used especially as an anthelmintic

Word History

Etymology

International Scientific Vocabulary piperidine + azine

First Known Use

1889, in the meaning defined above

Time Traveler
The first known use of piperazine was in 1889

Rhymes for piperazine

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Browse Nearby Words

Piperales
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 5 Jul. 2026.

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Medical Definition

piperazine

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