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trombiculiasis

American  
[trom-bik-yuh-lahy-uh-sis] / trɒmˌbɪk yəˈlaɪ ə sɪs /
Also trombidiosis

noun

Veterinary Pathology.
  1. the condition of being infested with chiggers.


Etymology

Origin of trombiculiasis

1910–15; < New Latin Trombi ( dium ) genus name + -cule 1 + -iasis