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pediculosis

[puh-dik-yuh-loh-sis]
noun Pathology.
  1. the state of being infested with lice.
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Origin of pediculosis

1885–90; < Latin pēdicul(us) louse (see pedicular) + -osis
Related formspe·dic·u·lous [puh-dik-yuh-luh s] /pəˈdɪk yə ləs/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pediculous

pediculosis

noun
  1. pathol the state of being infested with lice
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Derived Formspediculous (pɪˈdɪkjʊləs), adjective

Word Origin for pediculosis

C19: via New Latin from Latin pedīculus louse; see pedicular
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

Word Origin and History for pediculous

adj.

"infested with lice; pertaining to lice," 1540s, from Latin pediculosus, from pediculus "louse" (see pediculosis).

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pediculosis

n.

"lice infestation," 1809, with -osis + pediculus, diminutive of pedis "a louse," said in some sources to be akin to pedere "to break wind" (see petard) on notion of "foul-smelling insect" [Watkins].

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Online Etymology Dictionary, © 2010 Douglas Harper

pediculous in Medicine

pediculosis

(pə-dĭk′yə-lōsĭs)
n.
  1. The state of being infested with lice.
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Related formspe•dicu•lous (-ləs) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.