acariasis

noun

ac·a·ri·a·sis ˌa-kə-ˈrī-ə-səs

: infestation with or disease caused by mites

Word History

Etymology

acar(us) + -iasis

First Known Use

1815, in the meaning defined above

Time Traveler

The first known use of acariasis was in 1815

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Browse Nearby Words

acarian

acariasis

acaricide

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Cite this Entry

Style

“Acariasis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/acariasis. Accessed 4 Feb. 2026.

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Medical Definition

acariasis

noun

ac·a·ri·a·sis ˌak-ə-ˈrī-ə-səs

plural acariases -ˌsēz

: infestation with or disease caused by mites

called also acarinosis

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