Medical Dictionary

legionella

noun le·gion·el·la \ ˌlē-jə-ˈnel-ə \

medical Definition of legionella

1 capitalized :a genus of gram-negative rod-shaped bacteria (family Legionellaceae) that includes the causative agent (L. pneumophila) of Legionnaires' disease
2 plural legionellae\-ˌē\ also legionellas :a bacterium of the genus Legionella

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