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

Routhenstein noted that low levels may also worsen inflammation in autoimmune conditions such as psoriasis, and can negatively affect eye health, since omega-3s play a key structural role in the retina. —Kelly McGreal, FOXNews.com, 14 Dec. 2025

Rough rubbing can worsen conditions like eczema or psoriasis, Brod says. —Nicole Fallert, USA Today, 11 Dec. 2025

This powder foundation provides light-to-medium coverage that won’t dry out or exacerbate your psoriasis or rosacea. —Alyssa Grabinski, PEOPLE, 28 Nov. 2025

This would include active eczema, psoriasis flare ups, or people with hypersensitive skin. —Georgia Day, Vogue, 13 Nov. 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