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单词 nad
释义

nad

[ nad ]
/ næd /

noun Slang: Vulgar.

Usually nads. a testicle.

Origin of nad

First recorded in 1960–65; shortening of gonad

Words nearby nad

nacre, nacred, nacreous, nacreous cloud, NACRO, nad, nada, Nadab, Nadar, Na-Dene, Nader

Definition for nad (2 of 3)

NAD

Biochemistry.

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

Definition for nad (3 of 3)

N.A.D.

National Academy of Design.
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for nad

  • Then he bade them 'Good-bye,' and went home nad dined on a good fat veal roast.

    The Pink Fairy Book|Various
  • Cymerwyd gofal mawr yn narlleniad y tafleni, fel yr hyderir nad oes ynddo un gwall gwerth ei nodi.

    A Pocket Dictionary|William Richards
  • Ir wyfi yn meddwl nad oes neb a ryfygei gymmeryd y fath orchest arno.

    Some Specimens of the Poetry of the Ancient Welsh Bards|Evan Evans
  • (Wilfrid nad Cynthia are practically alone) Page 685: tradional changed to traditional.

    Representative Plays by American Dramatists: 1856-1911: The New York Idea|Langdon Mitchell

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 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.

Medical definitions for nad (2 of 2)

NAD 22

abbr.

no apparent distress
no appreciable disease
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.
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更新时间:2024/9/23 10:20:44