The American Heritage® Dictionary of the English Language, 4th Edition
n. A pyridine derivative, C18H11NO3, occurring especially in cereals, yeast, liver, and fish and serving as a coenzyme in amino acid synthesis. Also called vitamin B6.
n. A derivative of pyridine found in fish, liver, cereals and yeast that is essential for the metabolism of amino acids and starch.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a B vitamin that is essential for metabolism of amino acids and starch
Word Usage
"Supplements Vitamin B6, also known as pyridoxine, pyridoxal and pyriodoxamine, is a water-soluble vitamin involved in a wide variety of functions throughout the body."