quarter tone
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Related to Three-quarter-tone: Quarter tone scale
quarter tone
n
(Music, other) music a quarter of a whole tone; a pitch interval corresponding to 50 cents measured on the well-tempered scale
quar′ter tone`
n.
a musical interval equal to half a semitone.
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Noun | 1. | quarter tone - half of a semitone musical interval, interval - the difference in pitch between two notes |