pe·​dic·​u·​lo·​sis | \ pi-ˌdi-kyə-ˈlō-səs How to pronounce pediculosis (audio) \
plural pediculoses\ pi-​ˌdi-​kyə-​ˈlō-​ˌsēz How to pronounce pediculosis (audio) \

Definition of pediculosis

: infestation with lice

Examples of pediculosis in a Sentence

Recent Examples on the Web Scientifically known as pediculosis capitis, head lice aren't contracted as a result of slacking on your personal hygiene practices. Rebecca Dancer, Allure, "How to Identify, Treat, and Prevent Head Lice, According to Dermatologists," 8 Nov. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pediculosis.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of pediculosis

1876, in the meaning defined above

History and Etymology for pediculosis

New Latin, from Latin pediculus louse, diminutive of pedis louse

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Time Traveler for pediculosis

Time Traveler

The first known use of pediculosis was in 1876

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Statistics for pediculosis

Cite this Entry

“Pediculosis.” Dictionary, Merriam-Webster, Accessed 6 Mar. 2021.

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More Definitions for pediculosis


pe·​dic·​u·​lo·​sis | \ pi-ˌdik-yə-ˈlō-səs How to pronounce pediculosis (audio) \
plural pediculoses\ -​ˌsēz How to pronounce pediculosis (audio) \

Medical Definition of pediculosis

: infestation with lice

called also lousiness

Comments on pediculosis

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