マイコバクテリアalso: みこばくてりあMeanings1nounmycobacteriaA group of bacteria that includes the causative agents of tuberculosis and leprosy. Used in medical and biological contexts.マイコバクテリアは結けっ核かくの原げん因いん菌きんの一ひとつです。Mycobacteria are one of the causative agents of tuberculosis.