[1] : The Collaborative International Dictionary of English v.0.48

aberrance \aber"rance\, aberrancy \aber"rancy\, n.
   the state or condition of being aberrant; a wandering from
   the right way; deviation from truth, rectitude, etc.

   syn: aberrance, aberration, deviance
        1913 webster wordnet 1.5

   aberrancy of curvature geom., the deviation of a curve
      from a circular form.
      1913 webster
see also:
aberrancy of curvature 

[2] : WordNet (r) 2.0

aberrance
     n : a state or condition markedly different from the norm syn:
         aberrancy, aberration, deviance
see also:
aberrancy aberration deviance 

Aberrance >> A Words
Aberrance, definition of term: Aberrance
aberrance_pag1.html