pigmentation

/ˌpɪɡmənˈteɪʃən/
noun
  1. The natural coloring of a person's skin, hair, or eyes, caused by the presence of pigments.
    • Changes in pigmentation can be a sign of certain health conditions.
    • People with fair skin have less pigmentation and burn more easily in the sun.
    • Her eye pigmentation is a striking shade of green.
  2. The coloring of a plant, animal, or other living thing caused by pigments in its cells.
    • The bright pigmentation of tropical fish helps them attract mates.
    • The butterfly's wing pigmentation provides camouflage against predators.
    • Autumn leaves lose their green pigmentation and turn red and yellow.
  3. The process or result of adding color to something, such as in manufacturing or art.
    • This fabric's pigmentation is designed to resist fading in sunlight.
    • The artist experimented with different levels of pigmentation in the ink.
    • The pigmentation of the paint gives the walls a rich, warm tone.
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