abruption

from WordNet (r) 3.0 (2006)

abruption
    n 1: an instance of sudden interruption [syn: {breaking off},
         {abruption}]

from The Collaborative International Dictionary of English v.0.48

Abruption \Ab*rup"tion\, n. [L. abruptio, fr. abrumpere: cf. F.
   abruption.]
   A sudden breaking off; a violent separation of bodies.
   --Woodward.
   [1913 Webster]