(music) A musical interval of the Western twelve-semitone system consisting of thirteen semitones and spanning eight degrees of the diatonic scale. It is one semitone wider than a perfect octave and enharmonically equivalent to a minor ninth/compound minor second.

plural of augmented octave

plural of augmented reality

plural of augmented fourth

(music) an interval that is equivalent to three half steps where the notes are in consecutive staff positions (compare minor third.)

plural of augmented second

(music) An interval that is increased one half step from either a major interval or a perfect interval.

plural of augmented interval

(music) an interval that is equivalent to a half step

plural of augmented unison