psoriasis

noun

pso·​ri·​a·​sis sə-ˈrī-ə-səs How to pronounce psoriasis (audio)
: a chronic skin disease characterized by circumscribed red patches covered with white scales
psoriatic adjective or noun

Examples of psoriasis in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Colloidal oatmeal is made from ground whole oats, which creates a powdery texture, to treat atopic dermatitis and psoriasis flares. Lauren Manaker Ms, Health, 22 May 2026 May Promote Clear Skin While apple cider vinegar and turmeric are touted as remedies for skin conditions ranging from eczema and psoriasis to acne, little data exists to support their use. Sarah Anzlovar, Verywell Health, 17 May 2026 Read on for their personal experiences with eczema, acne, psoriasis and more. Beth Shapouri, PEOPLE, 17 May 2026 The company expects higher selling, general and administrative, and R&D expenses linked to ‌upcoming product ⁠launches, including a narcolepsy treatment, a blood disorder drug, and a psoriasis medicine, but said much of the increase would be offset by the restructuring program. Ed Silverman, STAT, 14 May 2026 See All Example Sentences for psoriasis

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

Time Traveler
The first known use of psoriasis was circa 1684

Browse Nearby Words

Cite this Entry

“Psoriasis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psoriasis. Accessed 29 May. 2026.

Kids Definition

psoriasis

noun
pso·​ri·​a·​sis sə-ˈrī-ə-səs How to pronounce psoriasis (audio)
: a skin disease characterized by red patches often covered with white scales

Medical Definition

psoriasis

noun
pso·​ri·​a·​sis sə-ˈrī-ə-səs How to pronounce psoriasis (audio)
plural psoriases -ˌsēz How to pronounce psoriasis (audio)
: a chronic skin disease characterized by circumscribed red patches covered with white scales

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