酿母菌 Traditional form: 釀母菌 Pinyin (reading): niàngmǔjūn Definitions: yeast Characters: 酿 - to ferment, to brew 母 - mother; female elders; female 菌 - mushroom; bacteria, germ, microbe Traditional characters: 釀 - to ferment, to brew 母 - mother; female elders; female 菌 - mushroom; bacteria, germ, microbe