陰いん音おん階かいMeaningsNoun1. hemitonic pentatonic scale (pentatonic scale containing semitones)Kanji used陰unseen location音sound階floor (of a building)Composed of陰いん(the) negative (e.g. pole); yin (in Chinese divination); hidden place; unseen part; private locationNoun音おん階かいscaleNoun