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polychromia

noun

poly·​chro·​mia ˌpäl-i-ˈkrō-mē-ə How to pronounce polychromia (audio)
: excessive or abnormal pigmentation of the skin

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“Polychromia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/polychromia. Accessed 26 Nov. 2025.

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