Nommisma

Interval information

Factorization	2-55 × 330 × 52 × 7
Monzo	[-55 30 2 1⟩
Size in cents	0.1033602¢
Name	nommisma
Color name	L5zyy-4, quinla-zoyoyo negative 4th
FJS name	[math]\displaystyle{ \text{5d}{-4}^{5,5,7} }[/math]
Special properties	reduced, reduced harmonic
Tenney height (log2 nd)	110
Weil height (log2 max(n, d))	110
Wilson height (sopfr(nd))	217
Harmonic entropy (Shannon, [math]\displaystyle{ \sqrt{nd} }[/math])	~1.19991 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.