酵母菌 Traditional form: 酵母菌 Pinyin (reading): jiàomǔjūn Definitions: yeast; saccharomycete Characters: 酵 - yeast; to leaven 母 - mother; female elders; female 菌 - mushroom; bacteria, germ, microbe Traditional characters: 酵 - yeast; to leaven 母 - mother; female elders; female 菌 - mushroom; bacteria, germ, microbe