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phthiriasis

American  
[thahy-rahy-uh-sis, thi-] / θaɪˈraɪ ə sɪs, θɪ- /

noun

  1. crab lice infestation.

phthiriasis British  
/ θɪˈraɪəsɪs /

noun

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

"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

Etymology

Origin of phthiriasis

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

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.