rickettsias
1. [ noun ] (biology) rod-shaped microorganisms resembling both bacteria and viruses; live in biting arthropods and cause disease in vertebrate hosts
Related terms: eubacteria Rickettsiaceae
Similar spelling:   rickettsia
  Ricketts
  Rickettsiales
  rickettsial
  rickettsiosis
  rickettsialpox
  Rickettsiaceae
  Ricketson
  ricketsialpox