psoriasis

noun

pso·​ri·​a·​sis sə-ˈrī-ə-səs 

: a chronic skin disease characterized by circumscribed red patches covered with white scales

psoriatic

ˌsȯr-ē-ˈa-tik 

adjective or noun

Examples of psoriasis in a Sentence

Recent Examples on the Web

An itchy scalp can develop due to a variety of causes, including your hair-washing routine, head lice, psoriasis, and more.1 How to find relief depends on the cause. —Cristina Mutchler, Verywell Health, 19 June 2025

In fact, the U.S. Food and Drug Administration approved a wearable blue light device for the treatment of mild psoriasis. —Joshua Rapp Learn, Discover Magazine, 21 May 2025

Case reports and clinical studies have linked tattoos to conditions such as sarcoidosis, psoriasis, lupus and pyoderma gangrenosum. —Jesse Pines, Forbes.com, 13 June 2025

People with certain skin conditions, such as psoriasis, should avoid it altogether. —Maggie O'Neill, Verywell Health, 22 May 2025

Word History

Etymology

New Latin, from Greek psōriasis, from psōrian to have the itch, from psōra itch; akin to Greek psēn to rub

First Known Use

circa 1684, in the meaning defined above

Rhymes for psoriasis

• archdiocese
• amebiasis
• candidiasis
• filariasis
• leishmaniasis
• mydriasis
• pityriasis
• cholelithiasis
• elephantiasis
• nephrolithiasis
• schistosomiasis
• urolithiasis

Kids Definition

psoriasis

noun

pso·​ri·​a·​sis sə-ˈrī-ə-səs 

: a skin disease characterized by red patches often covered with white scales

Medical Definition

psoriasis

noun

pso·​ri·​a·​sis sə-ˈrī-ə-səs 

plural psoriases -ˌsēz 

: a chronic skin disease characterized by circumscribed red patches covered with white scales