Source : Webster's Revised Unabridged Dictionary (1913)

Dissidence \Dis"si*dence\, n. [L. dissidentia: cf. F.
   dissidence. See {Dissident}, a.]
   Disagreement; dissent; separation from the established
   religion. --I. Taylor.

         It is the dissidence of dissent.         --Burke.

Source : WordNet®

dissidence
     n : disagreement; especially disagreement with the government