noun
microorganism resembling bacteria inhabiting arthropod tissues but capable of causing disease in vertebrates
• Syn: ↑family Rickettsiaceae
• Hypernyms: ↑bacteria family
• Member Holonyms: ↑Rickettsiales, ↑order Rickettsiales
• Member Meronyms: ↑genus Rickettsia, ↑rickettsia
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\\rəˌketsēˈāsēˌē, (ˌ)riˌk-\ noun pluralUsage: capitalized
: a family of microorganisms (order Rickettsiales) resembling bacteria and being typically inhabitants of arthropod tissues but capable in some cases of causing serious disease in man and other vertebrates — compare cowdria, rickettsia
Useful english dictionary. 2012.