Nona |
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terms and concepts
from lat. nona – ninth
1) An interval in the volume of nine steps; denoted by the number 9. There is a small nona (small 9), containing 61/2 tones, big nona (large 9) – 7 tones and increased nona (high 9) – 71/2 tones. Nona is a composite (exceeding the volume of an octave) interval and is considered as the sum of an octave and a second, or as a second through an octave.
2) The ninth step of the two-octave diatonic scale. See Interval, Diatonic scale.
