psoriasis Hear it!

psoriasis definition

pso·ria·sis (sə rī′ə 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 at′ik) adjective

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

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