phthiriasis

[ thahy-rahy-uh-sis, thi- ]

noun

crab lice infestation.

Origin of phthiriasis

1590–1600; <Greek phtheiríāsis, equivalent to phtheír louse + -iāsis-iasis

Words Nearby phthiriasis

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

How to use phthiriasis in a sentence

phthiriasis, thi-rī′a-sis, n. the lousy disease—morbus pediculosus.
Chambers's Twentieth Century Dictionary (part 3 of 4: N-R) | Various
It has been said that the phthiriasis of the cat is occasioned by the abundance of ricini.
Animal Parasites and Messmates | P. J. Van Beneden
phthiriasis: a diseased condition of the skin caused by sucking lice.
Explanation of Terms Used in Entomology | John. B. Smith
As an equine disorder this kind of phthiriasis was first described by Bouley.
Parasites | T. Spencer Cobbold
Pediculosis: a state of lousiness, or the abnormal condition caused by the multiplication of lice on the body: sec phthiriasis.
Explanation of Terms Used in Entomology | John. B. Smith

British Dictionary definitions for phthiriasis

phthiriasis

/ (θɪˈraɪəsɪs) /

noun

pathol the state or condition of being infested with lice; pediculosis

Origin of phthiriasis

C16: via Latin from Greek, from phtheir louse

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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