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

And although the exact cause is unclear, research suggests the condition is linked to other autoimmune diseases, such as psoriasis and autoimmune thyroid disease. —Cheyenne Buckingham, SELF, 13 May 2025

People with psoriasis are nearly twice as likely as the general population to develop ulcerative colitis. —Sherri Gordon, Health, 9 May 2025

La La Anthony is partnering with Amgen to raise awareness and support those struggling with plaque psoriasis. —Wwd Staff, WWD, 27 Feb. 2025

Related Story Martha Stewart Proves That Reinvention Is Possible at Any Age in New Documentary The Long Road to the Right Diagnosis Lauper’s journey with psoriasis began more than a decade ago, but like many women, getting answers wasn’t easy. —Emily Cegielski, Flow Space, 19 Feb. 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