JMdict: 2687390

悪玉菌 【あくだまきん】

1. [n] pathogenic bacteria; bad bacteria; harmful bacteria

Words often seen with this one: (experimental feature)

菌 (24), 善玉菌 (24), 白血球 (16), 腸内 (16), 体 (14), など (12), 動物性 (10), オレ (10), タンパク質 (10), 日和見菌 (10), 分解 (10)