pityriasis

pityriasis is defined in Webster's Unabridged Dictionary (1913) with 1 sense. The full text of each entry is reproduced verbatim below.

Definitions

  1. 1.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.

Source: Webster's Unabridged Dictionary, 1913 edition (public domain, via GCIDE / Project Gutenberg).

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