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barretter

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barretter


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Barretter  \Bar"ret*ter\,  n.  [OF.  bareter  to  exchange.  Cf 
  {Barter}.]  (Wireless  Teleg.) 
  A  thermal  cymoscope  which  operates  by  increased  resistance 
  when  subjected  to  the  influence  of  electric  waves.  The 
  original  form  consisted  of  an  extremely  fine  platinum  wire 
  loop  attached  to  terminals  and  inclosed  in  a  small  glass  or 
  silver  bulb.  In  a  later  variety,  called  the 
 
  {liquid  barretter},  wire  is  replace  by  a  column  of  liquid  in 
  a  very  fine  capillary  tube. 
 
  From  WordNet  r  1.6  [wn]: 
 
  barretter 
  n  :  a  resistor  inserted  into  a  circuit  to  compensate  for  changes 
  (as  those  arising  from  temperature  fluctuations)  [syn:  {ballast 
  resistor}] 




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