こうじかび 麹黴 LinksSentence search for 麹黴Sentence search for こうじかびSentence search for 麹カビSentence search for コウジカビKanji details for 麹 and 黴Edit in JMdict Noun1. koji mold (Aspergillus oryzae)Usually written using kana aloneOther forms麹カビ 【こうじかび】、コウジカビ Discussions Log in to talk about this word.