The Collaborative International Dictionary of English v.0.48:

Abstractedness \Ab*stract"ed*ness\, n.
   The state of being abstracted; abstract character.
   [1913 Webster]

WordNet (r) 3.0 (2006):

abstractedness
    n 1: preoccupation with something to the exclusion of all else
         [syn: abstractedness, abstraction]