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

History of cold sores, keloids, poor wound healing, eczema, psoriasis, contact reactions, or post-inflammatory pigment changes. — Malana Vantyler, Miami Herald, 6 Oct. 2026

This corticosteroid can help with managing persistent itchiness from conditions such as scalp psoriasis (one of the most common forms of psoriasis, according to a study published in the journal Dermatology and Therapy). — Elizabeth Siegel, Allure, 2 Oct. 2026

Poor water quality can worsen eczema, psoriasis, flaky skin, and brittle hair, among other problems. — Timothy Dale, Better Homes & Gardens, 13 Sep. 2026

Though your sleep issues may not all stem from psoriasis symptoms, improving them can only help things. — Alice Oglethorpe, Glamour, 2 Sep. 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

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

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