Akademik

Rickettsiales

noun

pleomorphic Gram-negative microorganisms

• Syn: ↑order Rickettsiales

• Hypernyms: ↑animal order

• Member Holonyms: ↑division Eubacteria

• Member Meronyms: ↑Rickettsiaceae, ↑family Rickettsiaceae, ↑Chlamydiaceae, ↑family Chlamydiaceae

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\\rəˌketsēˈā(ˌ)lēz, (ˌ)riˌk-\ noun plural

Usage: capitalized

Etymology: New Latin, from Rickettsia + -ales

: an order of small pleomorphic gram-negative microorganisms of uncertain biological position that are obligate parasites living in vertebrates or in arthropods which often serve as vectors of those parasitic in vertebrates — see bartonellaceae, rickettsiaceae; compare chlamydiaceae

Useful english dictionary. 2012.