[pi-per-uh-zeen, -zin, pahy-, pip-er-uh-] /pɪˈpɛr əˌzin, -zɪn, paɪ-, ˈpɪp ər ə-/
Also called piperazidine
[pip-uh-raz-i-deen, -din, pahy-puh-] /ˌpɪp əˈræz ɪˌdin, -dɪn, ˌpaɪ pə-/ (Show IPA). a colorless, crystalline, deliquescent ring compound, C 4 H 1 0 N 2 , prepared by the reaction of ethylene bromide or ethylene chloride with ammonia: used chiefly in veterinary medicine as an anthelmintic, and as an insecticide.
any derivative of this compound.
a white crystalline deliquescent heterocyclic nitrogen compound used as an insecticide, corrosion inhibitor, and veterinary anthelmintic. Formula: C4H10N2
piperazine pi·per·a·zine (pī-pěr’ə-zēn’, pĭ-)
A colorless crystalline compound used as a hardener for epoxy resins, an antihistamine, and an anthelmintic.
A colorless crystalline compound used as a hardener for epoxy resins, as an antihistamine, and as an agent for expelling or destroying parasitic intestinal worms. Piperazine belongs to the class of chemicals called pyrazines. Chemical formula: C4H10N2.
[pahyp-rak] /ˈpaɪpˌræk/ adjective, Informal. 1. offering services or goods at low cost because of avoidance of expensive interior decoration, as by displaying clothing for sale on plain pipe racks. noun 1. a usually wheeled rack of metal piping on which to hang clothing, as in a store. 2. a small rack, usually of wood, for […]
[pip-uh-reen, -er-in] /ˈpɪp əˌrin, -ər ɪn/ noun, Chemistry. 1. a white, crystalline alkaloid, C 1 7 H 1 9 NO 3 , obtained from pepper and other piperaceous plants and also prepared synthetically: used as an insecticide. /ˈpɪpəˌraɪn; -rɪn/ noun 1. a crystalline insoluble alkaloid that is the active ingredient of pepper, used as a […]
[pi-per-i-deen, -din, pahy-, pip-er-i-] /pɪˈpɛr ɪˌdin, -dɪn, paɪ-, ˈpɪp ər ɪ-/ noun, Chemistry. 1. a colorless, water-soluble liquid, C 5 H 1 1 N, obtained from the alkaloid piperine or from pyridine: used chiefly as a solvent. /pɪˈpɛrɪˌdiːn; -dɪn/ noun 1. a colourless liquid heterocyclic compound with a peppery ammoniacal odour: used in making rubbers […]
- Piperocaine hydrochloride
piperocaine hydrochloride pi·per·o·caine hydrochloride (pī’pə-rō-kān’, pĭp’ə-, pī-pěr’ə-kān’) n. A rapidly acting local anesthetic for infiltration and spinal anesthesia.