Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A diazine in which the two nitrogen atoms are in the para- positions; many of its derivatives are pharmaceuticals.

from the GNU version of the Collaborative International Dictionary of English

  • 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.

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