D defs.my
Entry 2 senses Webster, 1913

Depolarize

· De·po·lar·ize · IPA /diˈpoʊləɹaɪz/
01 v. t. To deprive of polarity; to reduce to an unpolarized condition.
imp. & p. p. Depolarized; p. pr. & vb. n. Depolarizing
  1. 1.
    To deprive of polarity; to reduce to an unpolarized condition.(Opt.)
  2. 2.
    To free from polarization, as the negative plate of the voltaic battery.(Elec.)