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Webster 1913 Edition

Noun.

[Pref.

dis-

(Gr. [GREEK]) +

diapason

(Anc. Mus.)

An interval of two octaves, or a fifteenth; – called also

bisdiapason

. Compare

, BISDIAPASON,

Noun.

[See Diapason.] In music, a compound concord in the quadruple ratio of 4:1 or 8:2.

Disdiapason diapente, a cocord in a sectuple ratio of 1:6.

Disdiapason semi-diapente, a compound concord in the proportion of 16:3.

Disdiapason ditone, a compound consontance in the proportion of 10:2.

Disdiapason semi-ditone, a compound concord in the proportion of 24:5.

disdiapason ‎(plural disdiapasons)