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N.A.D.

1 American  

abbreviation

  1. National Academy of Design.


nad 2 American  
[nad] / næd /

noun

Slang: Vulgar.
  1. Usually nads. a testicle.


NAD 3 American  
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.


NAD British  

noun

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

"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

NAD Scientific  
/ 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 .


Etymology

Origin of nad

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

And last month, the N.A.D. recommended that Butterball modify or drop the phrase “farmers humanely raise our turkeys every day” from its labels — although it said it was acceptable for the company to continue saying it has a “zero-tolerance policy against any form of animal mistreatment.”

From New York Times

Another drug candidate involves a coenzyme called nicotinamide adenine dinucleotide, or N.A.D.

From New York Times

As people age, levels of N.A.D. decline to the point where it is undetectable in the blood of the elderly.

From New York Times

Referring to the ruling against the campaign, Ms. Brinker wrote that Procter & Gamble was “pleased that N.A.D. has reviewed our competitor’s claims to help set the record straight.”

From New York Times

“We respect the self-regulatory process, but we believe in our methodology and the quality of our science, which is why we’re appealing the N.A.D. decision,” said Rob Candelino, a marketing vice president at Unilever, who declined to discuss specifics of the case while the appeal was pending.

From New York Times