psoriasis Hear it!

psoriasis definition

pso·ria·sis (sə rīə sis)

noun

a chronic skin disease characterized by scaly, reddish patches

Etymology: ModL < Gr psōriasis < psōra, an itch, akin to psēn, to rub, scratch, psammos, sand

Related Forms:

  • psoriatic pso′·ri·at′ic (sō′rē atik) adjective

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.