piperazine
noun
pi·per·a·zine
pi-ˈper-ə-ˌzēn 
pī-
pī-
: a crystalline heterocyclic base C4H10N2 used especially as an anthelmintic
Examples of piperazine in a Sentence
Recent Examples on the Web
Children under 2, anyone with a history of an allergic reaction to Zyrtec or hydroxyzine/piperazine derivatives, and those with severe renal impairment shouldn't take Zyrtec, says Dr. Patel.
—
Jessica Migala, Women's Health, 15 Apr. 2023
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
Examples are automatically compiled from online sources to
show current usage.
Read More
Opinions expressed in the examples do not represent those of Merriam-Webster or its editors.
Send us feedback.
Jessica Migala, Women's Health, 15 Apr. 2023
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
Cite this Entry
“Piperazine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/piperazine. Accessed 30 Jun. 2025.
Copy CitationMedical Definition
piperazine
noun
pi·per·a·zine
pī-ˈper-ə-ˌzēn
: a crystalline heterocyclic base C4H10N2 or C4H10N2·6H2O used especially as an anthelmintic
Love words? Need even more definitions?
Merriam-Webster unabridged
Share