色しき素そ斑はんMeanings1nounpigmented spot; pigmented maculemedicineMedical term for a flat, discolored area of skin. Used in dermatology contexts.皮ひ膚ふ科かで色しき素そ斑はんの検けん査さを受うけた。I had a pigmented spot examined at the dermatology clinic.