1. 
   graininess
   granularity noun the quality of being composed of relatively large particles
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=graininess
   
   
2. 
   graininess
   (from the article `photography, technology of`) The image derived from minute silver halide crystals is discontinuous in structure. This gives an appearance of graininess in big enlargements. The ...
   Found op http://www.britannica.com/eb/a-z/g/56
   
   
3. 
   graininess
   numerous very small irregularities on the surface of the record groove wall rather like fine sandpaper
   Found op http://www.electropedia.org/iev/iev.nsf/display?openform&ievref=806-13-79
   
   
4. 
   graininess
   1) Coarseness 2) Granularity 3) Roughness
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/graininess/1
   
   

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