Last Updated
：2025/11/25
diminished octave
Noun
Japanese Meaning
西洋音楽における音程の一種。ダイアトニック音階の8度をまたぎ、11半音から構成され、完全な八度（12半音）より1半音狭い。大七度と同音的な関係にある。
（ plural ）
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(music) A musical interval of the Western twelve-semitone system consisting of eleven semitones and spanning eight degrees of the diatonic scale. It is one semitone narrower than a perfect octave and enharmonically equivalent to a major seventh.
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diminished octave
The composer used a diminished octave to create a sense of unresolved tension between the melody and the bass.
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The composer used a diminished octave to create a sense of unresolved tension between the melody and the bass.
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