Source : Webster's Revised Unabridged Dictionary (1913)

Dissension \Dis*sen"sion\, n. [L. dissensio: cf. F. dissension.
   See {Dissent}.]
   Disagreement in opinion, usually of a violent character,
   producing warm debates or angry words; contention in words;
   partisan and contentious divisions; breach of friendship and
   union; strife; discord; quarrel.

         Paul and Barnabas had no small dissension and
         disputation with them.                   --Acts xv. 2.

         Debates, dissension, uproars are thy joy. --Dryden.

         A seditious person and raiser-up of dissension among
         the people.                              --Robynson
                                                  (More's
                                                  Utopia).

Source : WordNet®

dissension
     n 1: disagreement among those expected to cooperate [syn: {discord}]
     2: a conflict of people's opinions or actions or characters
        [syn: {disagreement}, {dissonance}] [ant: {agreement}]