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Noun: rickettsia (rickettsiae,rickettsias)  ri'ket-see-u
  1. Small bacteria that live in parasitic arthropods and can infect humans
    "Rocky Mountain spotted fever is caused by a Rickettsia species"

Derived forms: rickettsiae, rickettsias

Type of: eubacteria, eubacterium, true bacteria

Part of: family Rickettsiaceae, Rickettsiaceae

Encyclopedia: Rickettsia