hyperpigmentation

noun hy·per·pig·men·ta·tion \ ˌhī-pər-ˌpig-mən-ˈtā-shən , -ˌmen- \

Definition of hyperpigmentation

: excess pigmentation in a bodily part or tissue (such as the skin)
  • Vitamin C has been reported to inhibit the production of melanin, the stuff that produces not only a tan but also freckles and hyperpigmentation.
  • —Anne Weintraub
  • The presence of nickel can cause a skin rash that leads to hyperpigmentation, or darkening, of the skin.
  • —Jenyne M. Raines

hyperpigmented

play \ˌhī-pər-ˈpig-mən-təd, -ˌmen-\ adjective
    • hyperpigmented skin

First Known Use of hyperpigmentation

1866

in the meaning defined above

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Medical Dictionary

hyperpigmentation

noun hy·per·pig·men·ta·tion \ -ˌpig-mən-ˈtā-shən, -ˌmen- \

medical Definition of hyperpigmentation

: excess pigmentation in a body part or tissue (as the skin)
  • hyperpigmentation of deep inflammatory acne lesions
  • —Elizabeth A. Abel et al

hyperpigmented

play \-ˈpig-mənt-əd, -ˌment-\ adjective
    • hyperpigmented skin

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