細さい菌きんウイルスさいきんウイルスMeanings1nounbacterial virus; bacteriophageScientific term for a virus that infects bacteria. Often referred to by the loanword バクテリオファージ.See also: バクテリオファージ細さい菌きんウイルスは、抗こう生せい物ぶっ質しつが効きか