NAD

NAD

 (ĕn′ā-dē′)

n.

A coenzyme, C₂₁H₂₇N₇O₁₄P₂, occurring in most living cells and utilized alternately with NADH as an oxidizing or reducing agent in various metabolic processes.

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[n(icotinamide) a(denine) d(inucleotide).]

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nad

 (năd)

n. Vulgar Slang

A testicle.

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[Short for gonad.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

NAD

n

(Biochemistry) biochem nicotinamide adenine dinucleotide; a coenzyme that is a hydrogen carrier in metabolic reactions, esp in tissue respiration. Former name: DPN

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

NAD

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

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

NAD - a coenzyme present in most living cells and derived from the B vitamin nicotinic acid; serves as a reductant in various metabolic processes nicotinamide adenine dinucleotide coenzyme - a small molecule (not a protein but sometimes a vitamin) essential for the activity of some enzymes

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