378/377: Difference between revisions
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{{Infobox interval|Ratio=378/377|Name=major semivinema|Color name=Twenuthuzo unison|Comma=yes}} | {{Infobox interval | ||
'''378/377''', the '''major semivinema''' is a [[comma]] | | Ratio = 378/377 | ||
| Name = major semivinema | |||
| Color name = Twenuthuzo unison | |||
| Comma = yes | |||
}} | |||
'''378/377''', the '''major semivinema''' is a [[small comma|small]] [[29-limit]] (also 2.3.7.13.29-[[subgroup]]) [[comma]]. It forms the difference between [[29/27]] and [[14/13]], between [[29/18]] and [[21/13]], between [[29/21]] and [[18/13]], and between [[29/28]] and [[27/26]]. | |||
== Commatic relations == | |||
This comma may be found as the difference between the following superparticular ratios: | |||
* [[105/104]] and [[145/144]] | |||
* [[117/116]] and [[169/168]] | |||
* [[144/143]] and [[232/231]] | |||
* [[175/174]] and [[325/324]] | |||
* [[196/195]] and [[406/405]] | |||
* [[204/203]] and [[442/441]] | |||
* [[261/260]] and [[841/840]] | |||
* [[300/299]] and [[1450/1449]] | |||
* [[320/319]] and [[2080/2079]] | |||
* [[324/323]] and [[2262/2261]] | |||
* [[351/350]] and [[4901/4900]] | |||
* [[352/351]] and [[5104/5103]] | |||
* [[364/363]] and [[9802/9801]] | |||
* [[375/374]] and [[47125/47124]] | |||
It factors into the following superparticular ratios: | |||
* [[729/728]] and [[784/783]] | |||
* [[552/551]] and [[1197/1196]] | |||
* [[495/494]] and [[1596/1595]] | |||
* [[456/455]] and [[2205/2204]] | |||
* [[441/440]] and [[2640/2639]] | |||
* [[392/391]] and [[10557/10556]] | |||
* [[391/390]] and [[11339/11340]] | |||
* [[385/384]] and [[20736/20735]] | |||
== Etymology == | == Etymology == | ||
The word ''semivinema'' was introduced by [[User:Xenllium|Xenllium]] in 2024. It is a contraction of ''vicesimononal semitone comma'' into a single word. | The word ''semivinema'' was introduced by [[User:Xenllium|Xenllium]] in 2024. It is a contraction of ''vicesimononal semitone comma'' into a single word, where ''vicesimononal semitone'' refers to 29/27. | ||
== See also == | == See also == | ||
* [[406/405]] – minor semivinema | * [[406/405]] – minor semivinema | ||
* [[List of superparticular intervals]] | * [[List of superparticular intervals]] | ||
[[Category:Commas named for the intervals they stack]] | [[Category:Commas named for the intervals they stack]] | ||