NAD

Biochemistry.

nicotinamide adenine dinucleotide: a coenzyme, C21H27N7O14P2, involved in many cellular oxidation-reduction reactions.

Definition for nad (2 of 2)

N.A.D.

National Academy of Design.

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

Examples from the Web for nad

Then he bade them 'Good-bye,' and went home nad dined on a good fat veal roast.
The Pink Fairy Book|Various
Cymerwyd gofal mawr yn narlleniad y tafleni, fel yr hyderir nad oes ynddo un gwall gwerth ei nodi.
A Pocket Dictionary|William Richards
Ir wyfi yn meddwl nad oes neb a ryfygei gymmeryd y fath orchest arno.
Some Specimens of the Poetry of the Ancient Welsh Bards|Evan Evans
(Wilfrid nad Cynthia are practically alone) Page 685: tradional changed to traditional.
Representative Plays by American Dramatists: 1856-1911: The New York Idea|Langdon Mitchell

British Dictionary definitions for nad

NAD

noun

biochem nicotinamide adenine dinucleotide; a coenzyme that is a hydrogen carrier in metabolic reactions, esp in tissue respirationFormer name: DPN

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

Word Origin and History for nad

nad

also nads, 1980s, student slang shortening of gonad.

Science definitions for nad

NAD

[ ĕn′ā-dē′ ]

Short for nicotinamide adenine dinucleotide. A coenzyme that occurs in many living cells and functions as an electron acceptor. NAD is used alternately with NADH as an oxidizing or reducing agent in metabolic reactions. Chemical formula: C21H27N7O14P2.