Trienstonisma

Interval information

Ratio	43046721/43025920
Factorization	2-9 × 316 × 5-1 × 7-5
Monzo	[-9 16 -1 -5⟩
Size in cents	0.8367676¢
Name	trienstonisma
Color name	Laquinru-agu comma
FJS name	[math]\displaystyle{ \text{ddd}{-4}_{5,7,7,7,7,7} }[/math]
Special properties	reduced
Tenney height (log2 nd)	50.7181
Weil height (log2 max(n, d))	50.7188
Wilson height (sopfr(nd))	106
Comma size	unnoticeable
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Not to be confused with Trienstonic comma.

The trienstonisma is an unnoticeable 7-limit comma with a ratio of 43046721/43025920 and a value of approximately 0.84 cents. This comma is significant on account of it being the difference by which a stack of five 28/27 third-tones falls short of one 6/5 minor third in just intonation – this significance in relation to third-tones being the source of its name. Tempering it out leads to a form of trienstonismic temperament.