1. Any of a group of very small rod-shaped bacteria that live in biting arthropods (as ticks and mites) and cause disease in vertebrate hosts; they cause typhus and other febrile diseases in human beings

Derived forms: rickettsiae, rickettsias

See also: rickettsial

Type of: eubacteria, eubacterium, true bacteria

Part of: family Rickettsiaceae, Rickettsiaceae

Encyclopedia: Rickettsia

• glandular disease
• glandular disorder
• glandular fever
• glandular Labrador tea
• glandular plague
• glans
• glans clitoridis
• glans penis
• glare
• Glareola
• glareole
• Glareolidae
• glaring
• glaringly
• glary
• Glaser
• Glasgow
• glasnost
• glass
• glass ceiling
• glass eye
• glass fiber
• glass fibre
• glass in
• glass lizard