NAD

noun
\ ˌen-(ˌ)ā-ˈdē How to pronounce NAD (audio) \

Definition of NAD

: a coenzyme C21H27N7O14P2 of numerous dehydrogenases that occurs in most cells and plays an important role in all phases of intermediary metabolism as an oxidizing agent or when in the reduced form as a reducing agent for various metabolites

called also nicotinamide adenine dinucleotide, diphosphopyridine nucleotide, DPN

First Known Use of NAD

circa 1962, in the meaning defined above

History and Etymology for NAD

nicotinamide adenine dinucleotide

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Cite this Entry

“NAD.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/NAD. Accessed 21 Jun. 2021.

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More Definitions for NAD

NAD

noun
\ ˌen-ˌā-ˈdē How to pronounce NAD (audio) \

Medical Definition of NAD

 (Entry 1 of 2)

: a coenzyme C21H27N7O14P2 of numerous dehydrogenases that occurs in most cells and plays an important role in all phases of intermediary metabolism as an oxidizing agent or when in the reduced form as a reducing agent for various metabolites

called also diphosphopyridine nucleotide, DPN, nicotinamide adenine dinucleotide

Medical Definition of NAD (Entry 2 of 2)

no appreciable disease

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