Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A pyridine derivative, C18H11NO3, occurring especially in cereals, yeast, liver, and fish and serving as a coenzyme in amino acid synthesis.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun biochemistry A derivative of pyridine found in fish, liver, cereals and yeast that is essential for the metabolism of amino acids and starch.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun a B vitamin that is essential for metabolism of amino acids and starch

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[pyrid(ine) + ox(o)– + –ine.]

Examples

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