4 definitions found From The Collaborative International Dictionary of English v.0.48 [gcide]: Piperazine \Pi*per"a*zine\, n. Also -zin \-zin\ . [Piperidine + azote + -ine.] (Chem.) 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. [Webster 1913 Suppl.] From The Collaborative International Dictionary of English v.0.48 [gcide]: Pyrazine \Pyr"a*zine\, n. Also -zin \-zin\ . [Pyridine + Gr. ? not + ? life.] (Org. Chem.) A feebly basic solid, {C4H4N2}, obtained by distilling piperazine with zinc dust, and in other ways. Also, by extension, any of various derivatives of the same. [Webster 1913 Suppl.] From Easton's 1897 Bible Dictionary [easton]: Zin a low palm-tree, the south-eastern corner of the desert et-Tih, the wilderness of Paran, between the Gulf of Akabah and the head of the Wady Guraiyeh (Num. 13:21). To be distinguished from the wilderness of Sin (q.v.). From Hitchcock's Bible Names Dictionary (late 1800's) [hitchcock]: Zin, buckler; coldness
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