Meaning of Diesis in Urdu

diesis - کلاسیکی موسیقی میں

In classical music from Western culture, a diesis (/ˈdaɪəsɪs/ DY-ə-sis; "difference"; Greek: δίεσις "leak" or "escape") is either an accidental (see sharp), or a very small musical interval, usually defined as the difference between an octave (in the ratio 2:1) and three justly tuned major thirds (tuned in the ratio 5:4), equal to 128:125 or about 41.06 cents.