Last Updated
：2025/11/25
perfect octave
Noun
Japanese Meaning
（音楽用語）西洋の十二平均律における音程で、12の半音から成り、ダイアトニック音階の8つの音程にまたがるもの。増七度と同音で、一般にはオクターブとも呼ばれる。
（ plural ）
Quizzes for review
(music) A musical interval of the Western twelve-semitone system consisting of twelve semitones and spanning eight degrees of the diatonic scale. It is enharmonically equivalent to an augmented seventh and is commonly referred to as an octave.
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perfect octave
The pianist adjusted the tuning until the perfect octave resonated clearly across the hall.
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The pianist adjusted the tuning until the perfect octave resonated clearly across the hall.
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