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)