2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Galvanometer  \Gal`va*nom"e*ter\,  n.  [Galvanic  +  -meter:  cf  F. 
  galvanom[`e]tre.]  (Elec.) 
  An  instrument  or  apparatus  for  measuring  the  intensity  of  an 
  electric  current,  usually  by  the  deflection  of  a  magnetic 
  needle. 
 
  {Differential  galvanometer}.  See  under  {Differental},  a. 
 
  {Sine  galvanometer},  {Cosine  galvanometer},  {Tangent 
  galvanometer}  (Elec.),  a  galvanometer  in  which  the  sine, 
  cosine,  or  tangent  respectively,  of  the  angle  through 
  which  the  needle  is  deflected,  is  proportional  to  the 
  strength  of  the  current  passed  through  the  instrument. 
 
  From  WordNet  r  1.6  [wn]: 
 
  galvanometer 
  n  :  for  detecting  or  comparing  or  measuring  small  electric 
  currents 

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