augmented fourth

英語（米国） (en-US) 英語（イギリス） (en-GB)

名詞

(music) A type of tritone in musical composition comprising six semitones. It spans four diatonic scale degrees like a perfect fourth but with an extension of a semitone. The number of diatonic degrees it spans is what distinguishes it from a diminished fifth.

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The composer inserted an augmented fourth at the cadence to heighten the tension before the final resolution.

詳細

意味（1）

(music) A type of tritone in musical composition comprising six semitones. It spans four diatonic scale degrees like a perfect fourth but with an extension of a semitone. The number of diatonic degrees it spans is what distinguishes it from a diminished fifth.

e.g. C - F is a perfect fourth, C - F# is an augmented fourth, and C - F♭ is a diminished fourth.

詳細

augmented fourths （ 複数形 ）