Pigment – (Noun)
Definition 1: Is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption.
Definition 2: A substance that imparts black or white or a color to other materials
// (Pigment) Finely powdered color material which produces the color of any medium. Made either from natural substances or synthetically, pigment becomes paint, ink, or dye when mixed with oil, water or another fluid (also called vehicle).