DPN

noun

ˌdē-ˌpē-ˈen

: nad

Word History

Etymology

diphosphopyridine nucleotide

First Known Use

1938, in the meaning defined above

Time Traveler

The first known use of DPN was in 1938

See more words from the same year

Browse Nearby Words

DPM

DPN

DPST

See all Nearby Words

Cite this Entry

Style

“DPN.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/DPN. Accessed 22 May. 2025.

Copy Citation

Medical Definition

DPN

noun

ˌdē-(ˌ)pē-ˈen

: nad

More from Merriam-Webster

Play Quordle: Guess all four words in a limited number of tries. Each of your guesses must be a real 5-letter word.

Can you solve 4 words at once?

Can you solve 4 words at once?

Word of the Day

voluble

Listen to the pronunciation of voluble

See Definitions and Examples »

Get Word of the Day daily email!

Popular in Grammar & Usage

Using Bullet Points ( • )

How to Use Em Dashes (—), En Dashes (–) , and Hyphens (-)

Homophones, Homographs, and Homonyms

Words You Always Have to Look Up

Democracy or Republic: What's the difference?

Popular in Wordplay

Flower Etymologies For Your Spring Garden

10 Hella Good U.S. Regionalisms

'Za' and 9 Other Words to Help You Win at SCRABBLE

8 Words for Lesser-Known Musical Instruments

Birds Say the Darndest Things

Popular

Using Bullet Points ( • )

Flower Etymologies For Your Spring Garden

10 Hella Good U.S. Regionalisms