Trienstonisma
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| Ratio | 43046721/43025920 |
| Factorization | 2-9 × 316 × 5-1 × 7-5 |
| Monzo | [-9 16 -1 -5⟩ |
| Size in cents | 0.83676764¢ |
| Name | trienstonisma |
| Color name | Laquinru-agu comma |
| FJS name | [math]\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 |
| Harmonic entropy (Shannon, [math]\sqrt{nd}[/math]) |
~1.20634 bits |
| Comma size | unnoticeable |
| open this interval in xen-calc | |
- 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.