DENTILINGUAL a.
A dentilingual sound or letter. The letters of this fourth, dentilingual or linguidental, class, viz., d, t, s, z, l, r. Am. Cyc.
DIAZEUCTIC; DIAZEUTIC a.
Disjoining two fourths; as, the diazeutic tone, which, like that from F to G in modern music, lay between two fourths, and, being joined to either, made a fifth. [Obs.]
DIMENSION n.
ree dimensions, extension which has length, breadth, and thickness; a solid. -- Space of four dimensions, as imaginary kind of extension, which is assumed to have length, breadth, thickness, and also a fourth imaginary dimension. Space of five or six, or more dimensions is also sometimes assumed in mathematics.…