pyridoxal

noun
pyr·​i·​dox·​al | \ ˌpir-ə-ˈdäk-ˌsal How to pronounce pyridoxal (audio) \

Definition of pyridoxal

: a crystalline aldehyde C8H9NO3 of the vitamin B6 group that occurs as a phosphate and is active as a coenzyme

First Known Use of pyridoxal

1944, in the meaning defined above

History and Etymology for pyridoxal

International Scientific Vocabulary, from pyridoxine

Keep scrolling for more

Learn More about pyridoxal

Time Traveler for pyridoxal

Time Traveler

The first known use of pyridoxal was in 1944

See more words from the same year

Statistics for pyridoxal

Cite this Entry

“Pyridoxal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pyridoxal. Accessed 6 Jul. 2020.

Keep scrolling for more

More Definitions for pyridoxal

pyridoxal

noun
pyr·​i·​dox·​al | \ ˌpir-ə-ˈdäk-ˌsal How to pronounce pyridoxal (audio) \

Medical Definition of pyridoxal

: a crystalline aldehyde C8H9NO3 of the vitamin B6 group that in the form of its phosphate is active as a coenzyme

More from Merriam-Webster on pyridoxal

Britannica.com: Encyclopedia article about pyridoxal

Comments on pyridoxal

What made you want to look up pyridoxal? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

See Definitions and Examples »

Get Word of the Day daily email!

Test Your Vocabulary

A More Exception(al) Quiz

  • hot dog  hot dog  hot dog  hot dog cat
  • Which of the following words is not a synonym for ‘a young person’?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Add Diction

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!