Septimal kleisma
In music, the ratio 225/224 is called the septimal kleisma (


The septimal kleisma can also be viewed as the difference between the diatonic semitone (16:15) and the septimal diatonic semitone (15:14).
References
- Haluska, Jan (2003). The Mathematical Theory of Tone Systems. CRC Press. p. xxvii. ISBN 0-8247-4714-3.