noun🔗SharePityriasisAny of several varieties of skin diseases characterized by the shedding of flakes or scales.""The doctor diagnosed my itchy scalp as pityriasis, explaining that the flaking skin was causing the irritation." "Le médecin a diagnostiqué mon cuir chevelu qui démangeait comme un pityriasis, expliquant que la peau qui pélait provoquait l'irritation.medicinediseaseChat with AIVocabulary GamePractice Reading