pyr·i·dox·ine (pĭr'ĭ-dŏk'sēn, -sĭn) also pyr·i·dox·in (-dŏk'sĭn)
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.

[PYRID(INE) + OX(O)- + -INE².]

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The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.

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