The Collaborative International Dictionary of English v.0.48:

disrupt \dis*rupt"\, v. t. [imp. & p. p. Disrupted; p. pr. &
   vb. n. Disrupting.]
   1. To break asunder; to rend. --Thomson.
      [1913 Webster]

   2. to destroy the continuity of, usually temporarily; as,
      electrical power was disrupted by the hurricane.
      [PJC]

   3. To interfere with or halt, especially by causing a lack of
      order; as, the shouting of the demonstrators disrupted the
      meeting.
      [PJC]