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piperidine

American  
[pi-per-i-deen, -din, pahy-, pip-er-i-] / pɪˈpɛr ɪˌdin, -dɪn, paɪ-, ˈpɪp ər ɪ- /

noun

Chemistry.
  1. a colorless, water-soluble liquid, C 5 H 1 1 N, obtained from the alkaloid piperine or from pyridine: used chiefly as a solvent.


piperidine British  
/ pɪˈpɛrɪˌdiːn, -dɪn /

noun

  1. 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

Etymology

Origin of piperidine

1850–55; < Latin piper pepper + -id 3 + -ine 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Its structure is similar to piperidine, a chemical that occurs naturally in certain pepper plants.

From Washington Post

We find, indeed, that obstacles are gradually being cleared away, and the actual synthetic formation of such alkaloids as piperidine and coniine is a proof that the chemist is on the right track in studying the decomposition products, and building up from them, theoretically, bodies of similar constitution.

From Project Gutenberg

Pyridine has the formula C5H5N, that is, it is benzene with CH replaced by N. The relationship between these and piperidine is seen in the following formulæ: If we introduce six hydrogen atoms into pyridine, we convert it into piperidine.

From Project Gutenberg

Ladenburg succeeded in so hydrogenizing pyridine by acting upon an alcoholic solution with sodium, and from the base which was formed he obtained a platinochloride which agreed with the similar double salt of piperidine.

From Project Gutenberg

Pentamethylinediamine is the principal intermediary product, and this gives piperidine when distilled with superheated steam.

From Project Gutenberg