rickettsial disease is a noun meaning "infectious disease caused by ticks or mites or body lice infected with rickettsial bacteria". It carries one recorded sense.
infectious disease caused by ticks or mites or body lice infected with rickettsial bacteria
Definitions, synonyms and semantic relations for rickettsial disease come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.