DISDIAPASON, BISDIAPASON, n. [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.
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