‖ diaschisma Mus.
(daɪəˈskɪzmə)
Also in 8 in anglicized form diaschism.
[a. Gr. διάσχισµα, f. διασχίζ-ειν to cleave asunder, split.]
a. In ancient Greek music, a small interval equal to about half a diesis. b. In modern music, an interval equal to the difference of the common comma (80:81) and the enharmonic diesis (125:128), or to 10 schismas.
| 1753 Chambers Cycl. Supp. s.v., The octave contains 61 Diaschisms nearly. 1880 Stainer & Barrett Dict. Mus. Terms, Diaschisma (Gk.), an approximate half of a limma. |