\De*po"lar*ize\, v. t. [imp. & p. p. {Depolarized};
p. pr. & vb. n. {Depolarizing}.] [Pref. de- + polarize: cf.
F. d['e]polarizer.]
1. (Opt.) To deprive of polarity; to reduce to an unpolarized
   condition.
Note: This word has been inaccurately applied in optics to
      describe the effect of a polarizing medium, as a
      crystalline plate, in causing the reappearance of a
      ray, in consequence of a change in its plane of
      polarization, which previously to the change was
      intercepted by the analyzer.
2. (Elec.) To free from polarization, as the negative plate
   of the voltaic battery.