(redirected from diethylenediamine)
Also found in: Thesaurus, Medical, Encyclopedia.
Related to diethylenediamine: piperazine, Diethylenetriamine


 (pī-pĕr′ə-zēn′, pĭ-)
1. An organic compound, C4H10N2, that is used (often in the form of a salt) as an anthelmintic in humans and domestic animals and is widely used in the manufacture of pharmaceuticals, synthetic resins, polyurethane, and other industrial products.
2. Any of various derivatives of this compound, some of which have stimulant and hallucinogenic properties.


(pɪˈpɛrəˌziːn; -zɪn)
(Elements & Compounds) a white crystalline deliquescent heterocyclic nitrogen compound used as an insecticide, corrosion inhibitor, and veterinary anthelmintic. Formula: C4H10N2


(pɪˈpɛr əˌzin, -zɪn, paɪ-, ˈpɪp ər ə-)

a colorless, crystalline, deliquescent ring compound, C4H10N2, used chiefly as a veterinary anthelmintic and as an insecticide. Also called pip•er•az•i•dine (ˌpɪp əˈræz ɪˌdin, -dɪn, ˌpaɪ pə-)
[1885–90; < Latin piper pepper + azine]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.piperazine - vermifuge used to treat infestations by roundworms or pinworms
anthelminthic, anthelmintic, helminthic, vermifuge - a medication capable of causing the evacuation of parasitic intestinal worms