Nad

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Nad \Nad\ (n[a^]d), Nadde \Nad"de\ (n[a^]d"de). [Contr. fr. ne
     hadde.]
     Had not. [Obs.] --Chaucer.
     [1913 Webster]

From WordNet (r) 2.0 [wn]:



  NAD
       n : a coenzyme present in most living cells and derived from the
           B vitamin nicotinic acid; serves as a reductant in
           various metabolic processes [syn: {nicotinamide adenine
           dinucleotide}]

From Virtual Entity of Relevant Acronyms (Version 1.9, June 2002) [vera]:

  NAD
       Network Access Device