from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A strongly basic, colorless liquid, C5H10NH, used in the manufacture of rubber and as a curing agent in epoxy resins.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. An alicyclic heterocycle, containing 5 carbon atoms and one nitrogen atom, formally derived by the hydrogenation of pyridine; many of its derivatives are alkaloids or pharmaceuticals

from the GNU version of the Collaborative International Dictionary of English

  • n. An oily liquid alkaloid, C5H11N, having a hot, peppery, ammoniacal odor. It is related to pyridine, and is obtained by the decomposition of piperine.

from The Century Dictionary and Cyclopedia

  • n. A volatile alkaloid (C5H11N) produced by the action of alkalis on piperine.


piper(ine) + -id(e) + -ine2.
(American Heritage® Dictionary of the English Language, Fourth Edition)



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