noun
depigmentation; loss of skin pigment
Medical term for the loss of melanin or other pigments, often used in dermatology contexts such as vitiligo or albinism.
白斑は色素脱失によって起こる症状です。
Vitiligo is a condition caused by depigmentation.
この薬は色素脱失を引き起こす可能性があります。
This medication may cause depigmentation.
Compound of 色素 (pigment) + 脱失 (loss, shedding). The exact historical derivation is uncertain; the term is a modern medical coinage.