noun🔗ShareListerienAny rod-shaped, gram-positive bacterium, of the genus Listeria, especially those responsible for the bacterial infection listeriosis."The food safety inspector found Listeria bacteria in the school's salad bar, so they had to close it down. "Der Lebensmittelinspektor fand Listerien-Bakterien in der Salatbar der Schule, also mussten sie sie schließen.organismmicroorganismdiseasemedicinebiologyChat with AIVocabulary GamePractice Reading