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

impasto \impas"to\, n. it. see impaste. paint.
   the thickness of the layer or body of pigment applied by the
   painter to his canvas with especial reference to the
   juxtaposition of different colors and tints in forming a
   harmonious whole. --fairholt.
   1913 webster
see also:
impaste 

[2] : WordNet (r) 2.0

impasto
     n : painting that applies the pigment thickly so that brush or
         palette knife marks are visible

Impasto >> I Words
Impasto, definition of term: Impasto
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