DISDIAPASON
, in Music, a compound concord, in the quadruple ratio of 4 to 1, being a sifteenth or double eighth, and is produced when the voice goes from the first tone to the sifteenth.
DISJUNCT Proportion. See Discrete Proportion.
DISK. See Disc.
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Entry taken from A Mathematical and Philosophical Dictionary, by Charles Hutton, 1796.
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