NAD can refer to:

• Nicotinamide adenine dinucleotide, a coenzyme used in glycolysis
• National Appeals Division, an agency within the United States Department of Agriculture
• National Association of the Deaf, a non-profit advocacy organization
• NAD Electronics, a Canadian audio equipment manufacturer
• Namibian dollar, the currency of the African nation of Namibia
• North American Datum, a series of geographic coordinate systems
• New Animal Drug, a regulatory category under section 512 of the United States Food, Drug and Cosmetics Act.
• Native Americans at Dartmouth College, one of the Dartmouth College student groups.
• [[NAD+]], the oxidized form of NADH
• New Age Diamonds, a company producing cultured / synthetic diamonds of new age\
• National Advertising Division

References

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• The Heart of the Matter: Sierra Leone, Diamonds and Human Security Meeting under the auspices of Partnership Africa Canada (PAC), the group concluded that diamonds were central to the conflict in Sierra Leone,
• What Is The Future Of Diamond Buying? - Luxist Forbes has an interesting piece on the rise of Blue Nile, the popular internet diamond retailer. The diamond dealers, which made headlines when the sold a
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• Diamonds Are Forever (1971) Diamonds Are Forever on IMDb: Movies, TV, Celebs, and more
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