[ pi-per-i-deen, -din, pahy-, pip-er-i- ]
/ pɪˈpɛr ɪˌdin, -dɪn, paɪ-, ˈpɪp ər ɪ- /
a colorless, water-soluble liquid, C5H11N, obtained from the alkaloid piperine or from pyridine: used chiefly as a solvent.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for piperidine
If we introduce six hydrogen atoms into pyridine, we convert it into piperidine.
Piperidine hydrochlorate, also, when heated with excess of bromine to 180° C., yields dibrompyridine.
British Dictionary definitions for piperidine
/ (pɪˈpɛrɪˌdiːn, -dɪn) /
a colourless liquid heterocyclic compound with a peppery ammoniacal odour: used in making rubbers and curing epoxy resins. Formula: C 5 H 11 N
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Medicine definitions for piperidine
[ pī-pĕr′ĭ-dēn′, pĭ- ]
A strongly basic, colorless liquid from which certain phenothiazine antipsychotics are derived.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.