The Collaborative International Dictionary of English v.0.48:

Galvanic \Gal*van"ic\, a. [From Galvani, a professor of
   physiology at Bologna, on account of his connection (about
   1780) with the discovery of dynamical or current electricity:
   cf. F. galvanique.]
   Of or pertaining to, or exhibiting the phenomena of,
   galvanism; employing or producing electrical currents.
   [1913 Webster]

   Galvanic battery (Elec.), an apparatus for generating
      electrical currents by the mutual action of certain
      liquids and metals; -- now usually called voltaic
      battery. See Battery.

   Galvanic circuit or Galvanic circle. (Elec.) See under
      Circuit.

   Galvanic pile (Elec.), the voltaic pile. See under
      Voltaic.
      [1913 Webster]

WordNet (r) 3.0 (2006):

galvanic
    adj 1: pertaining to or producing electric current by chemical
           action; "a galvanic cell"; "a voltaic (or galvanic)
           couple" [syn: voltaic, galvanic]
    2: affected by emotion as if by electricity; thrilling; "gave an
       electric reading of the play"; "the new leader had a galvanic
       effect on morale" [syn: electric, galvanic,
       galvanizing, galvanising]