shading
1. [ noun ] (color) graded markings that indicate light or shaded areas in a drawing or painting
Related terms: marking hatch shade
2. [ noun ] a gradation involving small or imperceptible differences between grades
Synonyms: blending
Related terms: gradation
Similar spelling:   shedding
  sheathing
  shadowing
  shutting
  shouting
  shooting
  shitting
  sheeting
  shadiness