pityriasis

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌpɪtəˈraɪəsɪs/US:USA pronunciation: respellingUSA pronunciation: respelling(pit′ə rī′ə sis)


WordReference Random House Unabridged Dictionary of American English © 2026
pit•y•ri•a•sis  (pit′ə rī′ə sis),USA pronunciation n. 
  1. Pathologyany of various skin diseases marked by the shedding of branlike scales of epidermis.
  2. Veterinary Diseasesa skin disease in various domestic animals marked by dry scales.
  • Greek pitȳríāsis branlike eruption, equivalent. to pítȳr(on) bran, scale + -iāsis -iasis
  • Neo-Latin
  • 1685–95

Collins Concise English Dictionary © HarperCollins Publishers::
pityriasis /ˌpɪtəˈraɪəsɪs/ n
  1. any of a group of skin diseases characterized by the shedding of dry flakes of skin
Etymology: 17th Century: via New Latin from Greek pituriasis scurfiness, from pituron bran

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