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nad
[ nad ]
/ næd /
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noun Slang: Vulgar.
Usually nads. a testicle.
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Origin of nad
First recorded in 1960–65; shortening of gonad
Words nearby nad
Other definitions for nad (2 of 3)
NAD
Biochemistry.
nicotinamide adenine dinucleotide: a coenzyme, C21H27N7O14P2, involved in many cellular oxidation-reduction reactions.
Other definitions for nad (3 of 3)
N.A.D.
abbreviation
National Academy of Design.
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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022
How to use nad in a sentence
British Dictionary definitions for nad
NAD
noun
biochem nicotinamide adenine dinucleotide; a coenzyme that is a hydrogen carrier in metabolic reactions, esp in tissue respirationFormer name: DPN
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
Medical definitions for nad (1 of 2)
NAD 22
abbr.
no apparent distress
no appreciable disease
Medical definitions for nad (2 of 2)
NAD 11
[ ĕn′ā-dē′ ]
n.
Nicotinamide adenine dinucleotide; a coenzyme occurring in most living cells and used as an oxidizing or reducing agent in various metabolic processes.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Scientific definitions for nad
NAD
[ ĕn′ā-dē′ ]
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: C21H27N7O14P2.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.