イースト菌きんイーストきんFreq.FrequencyTop 100,000じ字FuriganaMeanings1nounyeast cell; yeast (microorganism)Refers to the yeast organism itself, often in scientific or culinary contexts. Not to be confused with イースト (yeast as a baking ingredient).パン作づくりにはイースト菌きんが必ひつ要ようです。