Overpigmentation

Part of speech: noun

Definitions

1. A condition involving an excessive deposit of color in the skin that leads to the appearance of dark patches and uneven tones
2. This occurs when there is an overproduction of melanin, resulting in an abnormal increase of skin pigmentation
3. A skin condition characterized by an excessive buildup of color that results in darkened regions and irregular skin tones

Etymology: "Overpigmentation" is a plain formation: the prefix "over-", meaning excessive or too much, attached to "pigmentation," the noun for the deposit of coloring matter in skin, hair, or tissue. "Pigmentation" itself comes from the Latin "pigmentum," meaning paint or coloring substance, which is linked to "pingere," to paint. Put together, the word literally describes too much of that natural coloring. The word's meaning is tied to the medical sense of "pigmentation," which is why it refers to dark patches and uneven skin tones rather than to paint or dye. Because it is a straightforward compound built from common parts, its history is essentially that of its two elements, and the combined term is a descriptive coinage used in dermatology and everyday health writing.

Synonyms: hyperpigmentation, excess pigmentation