Source : Webster's Revised Unabridged Dictionary (1913)

Overrefinement \O"ver*re*fine"ment\, n.
   Excessive refinement.

Source : WordNet®

overrefinement
     n : the act of distorting something so it seems to mean
         something it was not intended to mean [syn: {distortion},
          {straining}, {torture}, {twisting}]