Pityriasis

Chamber's Twientieth Century Dictionary · 1908 · p. 78

pit-i-rī′a-sis, n. the term given to certain of the squamous or scaly diseases of the skin, in which there is a continual throwing off of bran-like scales of epidermis.— adj. Pit′yroid , bran-like. [Gr. pityron , bran.]