Decolorization is a chemical process that involves the removal of color from substances. There are many synonyms for this term, including bleaching, fading, whitening, discoloration, blanching, and paleness. Bleaching typically refers to the removal of color from fabrics or hair, while fading refers to the gradual loss of color over time. Whitening and discoloration both involve a reduction in color intensity, with whitening indicating a shift towards a lighter color and discoloration indicating a change in hue. Blanching generally refers to the process of brief boiling followed by cold water to remove the skins of fruits or vegetables, while paleness refers to a lack of color due to illness or emotional distress.