pyridoxine

[ pir-i-dok-seen, -sin ]

/ ˌpɪr ɪˈdɒk sin, -sɪn /

noun Biochemistry.

a derivative of pyridine, C8H11NO3, occurring in whole-grain cereals, meats, fish, etc., and also made synthetically: required for the prevention of pellagra and the formation of hemoglobin; vitamin B6.

Nearby words

pyridium, pyridostigmine bromide, pyridoxal, pyridoxal 5-phosphate, pyridoxamine, pyridoxine, pyriform, pyrimethamine, pyrimidine, pyriphlegethon, pyrite

Also pyr·i·dox·in

[pir-i-dok-sin] /ˌpɪr ɪˈdɒk sɪn/.

Origin of pyridoxine

First recorded in 1935–40; pyrid(ine) + ox(ygen) + -ine²

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for pyridoxine

pyridoxine

/ (ˌpɪrɪˈdɒksiːn) /

noun

biochem a derivative of pyridine that is a precursor of the compounds pyridoxal and pyridoxamineAlso: vitamin B 6

Word Origin for pyridoxine

C20: from pyrid (ine) + ox (ygen) + -ine ²

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for pyridoxine

pyridoxine

[ pĭr′ĭ-dŏk′sēn, -sĭn ]

n.

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

Science definitions for pyridoxine

pyridoxine

[ pĭr′ĭ-dŏk′sēn ]

A pyridine derivative that is the main form of vitamin B6. Chemical formula: C8H11NO3.