| intelligentsia | (noun) an educated and intellectual elite | Synonyms: clerisy |
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| rickettsia | (noun) 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 | - |
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| rickettsial | (adjective) relating to or caused by rickettsias | - |
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| rickettsialpox | (noun) mild infectious rickettsial disease caused by a bacterium of the genus Rickettsia transmitted to humans by the bite a mite that lives on rodents; characterized by chills and fever and headache and skin lesions that resemble chickenpox | - |
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