Definition of pyridine in English:

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Pronunciation: /ˈpɪrɪdiːn/


[mass noun] Chemistry
A colourless volatile liquid with an unpleasant odour, present in coal tar and used chiefly as a solvent.
  • A heteroaromatic compound; chemical formula: C5H5N.
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

Line breaks: pyri|dine

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