phthiriasis Hear it!

phthiriasis definition

phthi·ria·sis (t̸hī rī′ə sis, ft̸hī-)

noun

infestation with lice, esp. the crab louse; pediculosis

Etymology: L < Gr phtheiriasis < phtheir, a louse + -iasis, -iasis

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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