microtone

/ˈmaɪkroʊˌtoʊn/
noun
  1. A musical interval smaller than a half step (semitone), such as a quarter tone.
    • The composer wrote a melody using microtones that sounded strange to Western ears.
    • The singer practiced hitting the exact microtone required by the traditional scale.
    • Some guitarists add extra frets to play microtones accurately.
Synonyms
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