Definition of pyridine in English:

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Pronunciation: /ˈpirəˌdēn/


A colorless volatile liquid with an unpleasant odor, present in coal tar and used chiefly as a solvent.
Example sentences
  • The folic acid pathway provides the essential precursor molecule, pyridine thymidylate, needed in DNA biosynthesis.
  • The structure of niacinamide consists of a pyridine ring with an amide group in position three.
  • This is a pyridine silver method described by Ranson in 1911 for impregnating unmyelinated nerve fibers.


Mid 19th century: from Greek pur 'fire' + -ide + -ine4.

For editors and proofreaders

Syllabification: pyr·i·dine

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