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

Last month, the Food and Drug Administration approved Icotyde , an IL-23 (interleukin-23) receptor antagonist for the treatment of moderate-to-severe plaque psoriasis in adults and children 12 and older. —Jeff Marks, CNBC, 8 Apr. 2026

In clinical trials, omega-3 supplements were effective in managing eczema and psoriasis symptoms, such as itching and scaling. —Mark Gurarie, Verywell Health, 8 Apr. 2026

The spa was introduced in 2005, and in the same year, Silica, a clinic hotel aimed at housing those visiting for psoriasis treatment, was opened. —Condé Nast, Condé Nast Traveler, 5 Apr. 2026

For inflammatory diseases like psoriasis, the intensity of physical activity mattered more than the total amount. —Emily Kay Votruba, EverydayHealth.com, 30 Mar. 2026

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