microinterval
music term; denotes a pitch (interval) that is less than a semitone
quarter tone
musical interval
Septimal quarter tone
interval with the ratio of 36:35, about 48.77 cents
comma
small musical interval, the difference between two tunings of the same note
Septimal comma
small musical interval in just intonation divisible by 7
diesis
an interval in classical music
Schisma
musical interval
Septimal diesis
interval with the ratio of 49:48, about 38.71 cents