pyridoxine

American

[pir-i-dok-seen, -sin] / ˌpɪr ɪˈdɒk sin, -sɪn /

Also pyridoxin

noun

Biochemistry.

a derivative of pyridine, C 8 H 1 1 NO 3 , occurring in whole-grain cereals, meats, fish, etc., and also made synthetically: required for the prevention of pellagra and the formation of hemoglobin; vitamin B 6 .

pyridoxine British

/ ˌpɪrɪˈdɒksiːn /

noun

Also: vitamin B6. biochem a derivative of pyridine that is a precursor of the compounds pyridoxal and pyridoxamine

"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

pyridoxine Scientific

/ pĭr′ĭ-dŏk′sēn /

A pyridine derivative that is the main form of vitamin B _6. Chemical formula: C ₈ H ₁₁ NO ₃ .

Etymology

Origin of pyridoxine

First recorded in 1935–40; pyrid(ine) + ox(ygen) + -ine ²

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

pyridoxine

It suggests one of the first medications people should be offered is Xonvea, scientifically known as doxylamine succinate and pyridoxine hydrochloride.

From BBC ● Dec. 10, 2025

This kind of epilepsy is called pyridoxine-dependent epilepsy, because it’s treated by giving the patient heavy amounts of vitamin B6, or pyridoxine.

From Salon ● Mar. 5, 2025

For more than 40 years, pregnant women around the world sought help for morning sickness through a combination of the two main ingredients in Diclegis: pyridoxine and doxylamine.

From Washington Post ● Jan. 4, 2017

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023