Nommisma
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| Factorization | 2-55 × 330 × 52 × 7 |
| Monzo | [-55 30 2 1⟩ |
| Size in cents | 0.10336016¢ |
| Name | nommisma |
| Color name | L5zyy-4, quinla-zoyoyo negative 4th |
| FJS name | [math]\text{5d}{-4}^{5,5,7}[/math] |
| Special properties | reduced |
| Tenney height (log2 nd) | 110 |
| Weil height (log2 max(n, d)) | 110 |
| Wilson height (sopfr (nd)) | 217 |
| Harmonic entropy (Shannon, [math]\sqrt{n\cdot d}[/math]) |
~2.39753 bits |
| Comma size | unnoticeable |
| open this interval in xen-calc | |
The nommisma (monzo: [-55 30 2 1⟩) is an unnoticeable 7-limit comma measuring about 0.10 ¢. It is the difference between the garischisma and a stack of two schismas, or between the monzisma and the nanisma.
Temperaments
Tempering out this comma leads to the rank-3 nommismic temperament (→ Very high accuracy temperaments #Nommismic).
Etymology
This comma was named by Flora Canou in 2023, with the root nom contracted from nanomonzisma or nanomonzisma, ultimately from nanisma + monzisma.