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

flatness \flat"ness\, n.
   1. the quality or state of being flat.
      1913 webster

   2. eveness of surface; want of relief or prominence; the
      state of being plane or level.
      1913 webster

   3. want of vivacity or spirit; prostration; dejection;
      depression.
      1913 webster

   4. want of variety or flavor; dullness; insipidity.
      1913 webster

   5. depression of tone; the state of being below the true
      pitch; -- opposed to sharpness or acuteness.
      1913 webster
see also:
sharpness acuteness 

[2] : WordNet (r) 2.0

flatness
     n 1: the property of having two dimensions syn: two-dimensionality,
           planeness
     2: the property of having little or no contrast; lacking
        highlights or gloss syn: lusterlessness, lustrelessness,
         mat, matt, matte
see also:
two-dimensionality planeness lusterlessness lustrelessness mat matt 
matte 

Flatness >> F Words
Flatness, definition of term: Flatness
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