Top matchCommonWaniKani 57はっこう発酵hakkouNoun, Suru verb, Intransitive verbfermentation; zymosisイーストはビールを発酵させる。Yeast makes beer ferment.Also written 醗酵【はっこう】hakkou、醱酵【はっこう】hakkou Listen Conjugations Pitch on OJAD Explore