Luna comma: Difference between revisions
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The '''luna comma''' or '''hemithirds comma''' is an interval of about 1.384 cents. It has the monzo [38 -2 -15⟩ and the ratio '''274877906944 / 274658203125'''. | The '''luna comma''' or '''hemithirds comma''' is an interval of about 1.384 cents. It has the monzo [38 -2 -15⟩ and the ratio '''274877906944 / 274658203125'''. It is the difference between a stack of fifteen [[5/4 | classical major third]]s ([[octave reduction | reduced]] four octaves) and a stack of two [[perfect fourth]]s. | ||
It defines the [[luna family]] of temperaments. | It defines the [[luna family]] of temperaments. | ||
{{todo|add etymology|expand}} | {{todo|add etymology|expand}} | ||
[[Category:Commas with unknown etymology]] | [[Category:Commas with unknown etymology]] | ||