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.
Scalp Psoriasis Scalp psoriasis is an autoimmune condition that makes skin cells grow faster, resulting in thick, scaly patches of skin (plaques). Lindsay Curtis, Health, 30 Oct. 2025 Her psoriasis flared up for the first time since getting divorced, and she was also diagnosed with a brain aneurysm. Michael Saponara, Billboard, 23 Oct. 2025 Researchers are investigating GLP-1s for a range of conditions, including Alzheimer’s, Parkinson’s, osteoarthritis, psoriasis, addiction, PCOS, rheumatoid arthritis, and cancer. Becky Upham, EverydayHealth.com, 8 Oct. 2025 Similarly, at 1,400 feet below sea level, the Dead Sea’s hypersaline waters are often recommended for skin ailments such as psoriasis and eczema. AFAR Media, 26 Sep. 2025 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 9 Nov. 2025.

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

More from Merriam-Webster on psoriasis

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