Diapason, di-a-pa -zun, s
Nuttall's Standard Dictionary of the English Language · 1890 · p. 57
the octave or interval which includes all the tones; concord of sound; compa of tones; among musical instrument makers, a rule or scale by which they adjust the pipes of organs, the holes of flutes, ., in due proportion for expre ing the several tones and semi-tones (Gr. dia, and pas on, all).
Readham'da tam maddeyi gor →