[pi-per-i-deen, -din, pahy-, pip-er-i-]

noun Chemistry.

a colorless, water-soluble liquid, C5H11N, obtained from the alkaloid piperine or from pyridine: used chiefly as a solvent.

Origin of piperidine

1850–55; < Latin piper pepper + -id3 + -ine1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of piperidine

British Dictionary definitions for piperidine



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

piperidine in Medicine


[pī-pĕrĭ-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.