Nommisma

Interval information

Factorization	2-55 × 330 × 52 × 7
Monzo	[-55 30 2 1⟩
Size in cents	0.1033602¢
Name	nommisma
FJS name	[math]\displaystyle{ \text{5d}{-4}^{5,5,7} }[/math]
Special properties	reduced, reduced harmonic
Tenney norm (log2 nd)	110
Weil norm (log2 max(n, d))	110
Wilson norm (sopfr(nd))	217
Comma size	unnoticeable
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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.