Phaotic comma: Difference between revisions
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The '''phaotic comma''', or '''phaotisma''' | The '''phaotic comma''', or '''phaotisma''', is an [[unnoticeable comma|unnoticeable]] [[13-limit]] ([[2.3.5.13 subgroup]]) comma with the ratio '''256000/255879''', and a size of approximately 0.82{{cent}}. It separates a stack of two [[81/80|syntonic commas]] from [[40/39]], or three [[27/20]] acute fourths from [[16/13]] (up an octave). It factors into {{nowrap|([[4096/4095]])([[4375/4374]])}} or {{nowrap|([[6656/6561]])([[507/500]])<sup>−1</sup>}}. | ||
== Temperaments == | == Temperaments == | ||
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== Etymology == | == Etymology == | ||
This comma was finally named by [[Aura]] in 2021 after several failed attempts. Its name comes from the Ancient Greek word [[Wiktionary: φάος #Ancient Greek|''pháos'']] ("light | This comma was finally named by [[Aura]] in 2021 after several failed attempts. Its name comes from the Ancient Greek word [[Wiktionary: φάος #Ancient Greek|''pháos'']] ("light"). | ||
== See also == | == See also == | ||