legionella legioned • legionella pneumophilia · · · Info · Definitions · Characters · · legionella · · Text Latin · · Script 10 · · Length 4 · · Syllables Definitions · · · (noun) the motile aerobic rod-shaped Gram-negative bacterium that thrives in central heating and air conditioning systems and can cause Legionnaires' disease. Synonyms: Legionella pneumophilia. · · Noun Definition 1 Characters · · a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F