
Noah Webster
Bisdiapason
DISDIAPASON, BISDIAPASON noun [See Diapason.] In music, a compound concord in the quadruple ratio of 4:1 or 8:2.

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