augmented fourth

短语

词形变化

augmented fourths 复数 augmented fourths

释义与例句

n.
  1. 1.

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

    音乐

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

    An augmented fourth on C: 1