flatwashes

/ˈflætwɑʃɪz/
noun
  1. Plural of flatwash; multiple instances of the painting technique or multiple layers of even, diluted paint.
    • The miniature required two flatwashes to achieve the right base color.
    • He practiced different flatwashes on scrap paper before starting the final piece.
    • The tutorial showed how to layer several flatwashes to build depth in the painting.