from The American Heritage® Dictionary of the English Language, 4th Edition

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

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A saturated heterocyclic compound, C4H10N2, containing two nitrogen atoms in a six-membered ring; it is used as an anthelmintic.
  • n. Any derivative of this compound

from the GNU version of the Collaborative International Dictionary of English

  • A crystalline substance, (C2H4NH)2, formed by action of ammonia on ethylene bromide, by reduction of pyrazine, etc. It is a strong base, and is used as a remedy for gout.

from The Century Dictionary and Cyclopedia

  • n. A deliquescent crystalline base, (C2H4)2(NH2)2 or diethyl-enediamine, which is made by the action of alcoholic ammonia on ethylene chlorid, and in other ways. It melts at 104° C. It is a valuable solvent for uric acid and is used in medicine for that purpose.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. vermifuge used to treat infestations by roundworms or pinworms


from The American Heritage® Dictionary of the English Language, 4th Edition

piper(ine) + az(o)- + -ine2.

from Wiktionary, Creative Commons Attribution/Share-Alike License

After German Piperazin, from piper(idine) + azine.


  • New drugs belonging to the phenethylamine, tryptamine and piperazine families were also identified.

    Report: New 'Legal Highs' Multiplying in Europe

  • The laboratory has received numerous Ecstasy mimic tablets containing this piperazine mixture over the past year, but never before in these unusual tablet shapes.

    Boing Boing

  • Maybe Janssen could branch out, do anxiolytic potato chips, a Ben and Jerry's SSRI Swirl, piperazine pretzels?

    Invega Popcorn Review

  • Where toxocarosis is a problem in young calves, calves should be treated with piperazine at 6 weeks of age.

    Chapter 5

  • For example, the piperazine phenothiazines are 10 to 30 times as potent in inducing extrapyramidal signs as are other classes of phenothiazines 109.

    The Neuropsychiatric Guide to Modern Everyday Psychiatry

  • Note on worm medicines: Many 'worm medicines' contain piperazine.

    Chapter 19

  • Try giving piperazine to a child who starts having asthma if you think she has roundworms.

    Chapter 20

  • Dosage (expressed in piperazine hydrate) - Ascariasis: Child: 75 mg/kg, in a single dose Adult: 3 to 4

    Chapter 4

  • Therefore, if you suspect a person has roundworm in addition to other worms, it is wise to treat first with piperazine before giving thiabendazole.

    Chapter 31

  • It also works for roundworm and pinworm, but piperazine has fewer side effects.

    Chapter 31


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