PIPERAZINE; PIPERAZIN
Pi*per"a*zine, n. Also -zin . [Piperidine + azote + -ine.] (Chem.)
Defn: 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.
PIPERIC
Pi*per"ic, a. (Chem.)
Defn: Pertaining to, or derived from, or designating, a complex organic acid found in the products of different members of the Pepper family, and extracted as a yellowish crystalline substance.
PIPERIDGE
Pip"er*idge, n. (Bot.)
Defn: Same as Pepperidge.
PIPERIDINE
Pi*per"i*dine, n. (Chem.)
Defn: An oily liquid alkaloid, C5H11N, having a hot, peppery, ammoniacal odor. It is related to pyridine, and is obtained by the decomposition of piperine.
PIPERINE
Pip"er*ine, n. Etym: [L. piper pepper: cf. F. piperin, piperine.]
(Chem.)
Defn: A white crystalline compound of piperidine and piperic acid. It is obtained from the black pepper (Piper nigrum) and other species.