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invar

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invar


  1  definition  found 
 
  From  WordNet  r  1.6  [wn]: 
 
  Invar 
  n  :  (trademark)  an  alloy  of  iron  and  nickel  having  a  low 
  coefficient  of  thermal  expansion;  used  in  tuning  forks 
  and  measuring  tapes  and  other  instruments  [syn:  {Invar}] 




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