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psoriasis

[ suh-rahy-uh-sis ]
/ səˈraɪ ə sɪs /
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noun Pathology.
a common chronic, inflammatory skin disease characterized by scaly patches.
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Also called psora.

Origin of psoriasis

1675–85; <New Latin <Greek psōríāsis, equivalent to psōriā-, variant stem of psōriân to have the itch (derivative of psṓra itch) + -sis-sis

OTHER WORDS FROM psoriasis

pso·ri·at·ic [sawr-ee-at-ik, sohr-], /ˌsɔr iˈæt ɪk, ˌsoʊr-/, adjective

Words nearby psoriasis

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use psoriasis in a sentence

British Dictionary definitions for psoriasis

psoriasis
/ (səˈraɪəsɪs) /

noun
a skin disease characterized by the formation of reddish spots and patches covered with silvery scales: tends to run in families

Derived forms of psoriasis

psoriatic (ˌsɔːrɪˈætɪk), adjective

Word Origin for psoriasis

C17: via New Latin from Greek: itching disease, from psōra itch
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for psoriasis

psoriasis
[ sə-rīə-sĭs ]

A chronic, inflammatory skin disease in which recurring reddish patches, often covered with silvery scales, appear especially on the knees, elbow, scalp and trunk. Psoriasis is noncontagious and is inheritable.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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