Last Updated:2025/11/25
(music) A musical interval of the Western twelve-semitone system consisting of nine semitones and spanning seven degrees of the diatonic scale. It is one semitone narrower than a minor seventh and enharmonically equivalent to a major sixth.
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diminished seventh
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Source Word
diminished seventh
Noun
Japanese Meaning
減七度:音楽理論における音程の一種で、西洋の十二平均律に基づき、九半音からなり、音階上で七つの音を跨ぐ。短七度(マイナーセブンス)より半音狭く、長六度と同音異名の関係にある。
( plural )