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psoriasis

[suh-rahy-uh-sis] /səˈraɪ ə sɪs/
noun, Pathology
1.
a common chronic, inflammatory skin disease characterized by scaly patches.
Also called psora.
Origin
1675-1685
1675-85; < Neo-Latin < Greek psōríāsis, equivalent to psōriā-, variant stem of psōriân to have the itch (derivative of psṓra itch) + -sis -sis
Related forms
psoriatic
[sawr-ee-at-ik, sohr-] /ˌsɔr iˈæt ɪk, ˌsoʊr-/ (Show IPA),
adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for psoriasis
  • psoriasis is a common skin condition that causes skin redness and irritation.
  • psoriasis is a common, chronic skin condition that causes red patches on the body.
  • Diagnosis and management of psoriasis and psoriatic arthritis in adults.
British Dictionary definitions for psoriasis

psoriasis

/səˈraɪəsɪs/
noun
1.
a skin disease characterized by the formation of reddish spots and patches covered with silvery scales: tends to run in families
Derived Forms
psoriatic (ˌsɔːrɪˈætɪk) adjective
Word Origin
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
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Word Origin and History for psoriasis
n.

1680s, from medical Latin psoriasis, in Late Latin "mange, scurvy," from Greek psoriasis "being itchy," from psorian "to have the itch," from psora "itch, mange, scab," related to psen "to rub" (see psilo-). Related: Psoriatic.

Online Etymology Dictionary, © 2010 Douglas Harper
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psoriasis in Medicine

psoriasis pso·ri·a·sis (sə-rī'ə-sĭs)
n.
A noncontagious inflammatory skin disease characterized by recurring reddish patches covered with silvery scales.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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psoriasis in Science
psoriasis
  (sə-rī'ə-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 © 2002. Published by Houghton Mifflin. All rights reserved.
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