pityriasis
n. (மரு.) சிதல் சிதலாயுரியும் தோல்நோய்.
Pit`y*ri"a*sis, n. Etym: [NL., fr. Gr. (Med.) Defn: A superficial affection of the skin, characterized by irregular patches of thin scales which are shed in branlike particles. Pityriasis versicolor Etym: [NL.] (Med.), a parasitic disease of the skin, characterized by the development of reddish or brownish patches.