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
ˌsȯr-ē-ˈa-tik How to pronounce psoriasis (audio)
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.
For years, the most effective psoriasis treatments meant regular biologic injections. — Leslie Baumann, Miami Herald, 3 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 For those not aware, this essential nutrient plays a key role in vision, immune function, and skin health — cutting back on hyperpigmentation, fighting oxidative stress, addressing acne, and even tackling conditions like psoriasis. — Stacia Datskovska, Footwear News, 2 Sep. 2026 The authors noted that skin conditions such as eczema, psoriasis and contact dermatitis can appear in the perianal region, where bidet use may help. — Hanna Wickes, Sacbee.com, 29 Aug. 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

Rhymes for psoriasis

See All Rhymes for psoriasis

Browse Nearby Words

Psorergates
psoriasis
psoric
See all Nearby Words

Cite this Entry

“Psoriasis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/psoriasis. Accessed 7 Sep. 2026.

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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

Britannica.com: Encyclopedia article about psoriasis

Last Updated: - Updated example sentences
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