augmented intervals Ahg-MEN-ted IN-ter-vuhlz Your browser does not support the audio element. [ English ] Definition A perfect or major interval where the top note has been raised by one half step or a chromatic semitone. The result is an augmented interval. See Also [English] augmented Share Share on Facebook (opens in a new tab) Share on X (opens in a new tab) Last Updated: 2016-04-29 20:30:07