nad

¹

[ nad ]

noun

, Slang: Vulgar.

1. Usually nads. a testicle.

NAD

²

Biochemistry.

1. nicotinamide adenine dinucleotide: a coenzyme, C 2 1 H 2 7 N 7 O 1 4 P 2 , involved in many cellular oxidation-reduction reactions.

N.A.D.

³

abbreviation for

1. National Academy of Design.

NAD

noun

1. biochem nicotinamide adenine dinucleotide; a coenzyme that is a hydrogen carrier in metabolic reactions, esp in tissue respiration Former nameDPN

NAD

/ ĕn′ā-dē′ /

1. 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: C 21 H 27 N 7 O 14 P 2 .

Word History and Origins

Origin of nad¹

First recorded in 1960–65; shortening of gonad ( def )

Example Sentences

And the result of the current military campaign in Nad-i-Ali and Marja will be the same.

From The Daily Beast

Ir wyfi yn meddwl nad oes neb a ryfygei gymmeryd y fath orchest arno.

From Project Gutenberg

Then he bade them 'Good-bye,' and went home nad dined on a good fat veal roast.

From Project Gutenberg

(Wilfrid nad Cynthia are practically alone) Page 685: tradional changed to traditional.

From Project Gutenberg

Cymerwyd gofal mawr yn narlleniad y tafleni, fel yr hyderir nad oes ynddo un gwall gwerth ei nodi.

From Project Gutenberg