Xenllium: Created page with "{{Infobox interval | Ratio = 205891132094649/205885750000000 | Name = septrongisma | Color name = LLr⁷g⁹-4, lala-sepru-atritrigu negative 4th | Comma = yes }} The '''septrongisma'''{{idiosyncratic}} is an unnoticeable 7-limit comma, with a ratio of 205891132094649/205885750000000, and a size of 0.045 cents. It is the amount by which a stack of seven 9/7s, nine 9/5s, and two 4/3s exceeds eleven octa..."

2026-01-16T23:13:11Z

Created page with "{{Infobox interval | Ratio = 205891132094649/205885750000000 | Name = septrongisma | Color name = LLr7g9-4, lala-sepru-atritrigu negative 4th | Comma = yes }} The '''septrongisma'''{{idiosyncratic}} is an unnoticeable 7-limit comma, with a ratio of 205891132094649/205885750000000, and a size of 0.045 cents. It is the amount by which a stack of seven 9/7s, nine 9/5s, and two 4/3s exceeds eleven octa..."

New page

{{Infobox interval
| Ratio = 205891132094649/205885750000000
| Name = septrongisma
| Color name = LLr7g9-4, lala-sepru-atritrigu negative 4th
| Comma = yes
}}

The '''septrongisma'''{{idiosyncratic}} is an [[Unnoticeable comma|unnoticeable]] [[7-limit]] [[comma]], with a [[ratio]] of 205891132094649/205885750000000, and a size of 0.045 [[cent]]s. It is the amount by which a stack of seven [[9/7]]s, nine [[9/5]]s, and two [[4/3]]s exceeds eleven octaves.

== Temperaments ==
Tempering out this comma gives the rank-3 '''[[Very high accuracy temperaments #Rank-3 temperaments|septrongismic temperament]]''' in the 7-limit. EDOs of a strong 7-limit system such as [[171edo]], [[3125edo]], and [[11664edo]] support this temperament.

== Etymology ==
The name ''septrongisma'' is a contraction of ''septimal'' (7-limit), ''strong'', and ''schisma'' into a single word.

== See also ==
* [[Unnoticeable comma]]

[[Category:Septrongismic]]
[[Category:Commas named for their regular temperament properties]]

Septrongisma - Revision history