English Explanatory Dictionary

augmented fourth

English dictionary entry

Meanings

noun
  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.

Word forms

augmented fourth augmented fourths

Related words

augmented fifth diminished fourth perfect fourth dissonance musical interval tritone
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