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▪ I. mediant, n. Mus.|ˈmiːdɪənt|
[ad. It. mediante, repr. late L. mediantem, pr. pple. of mediāre to be in the middle, f. medi-us middle: see medium. Cf. F. médiant.]
a. In ecclesiastical music: One of the ‘regular modulations’ of a mode; in the authentic modes, it lies about midway between the final and the dominant; in the plagal modes, it varies in position.
b. In modern music, the third of any scale, lying midway between the tonic and the dominant.
[1727–41Chambers Cycl. s.v. Mode, The fundamental [note] is also called the final; the fifth the dominante; and the third, as being between the other two, the mediante. ]1753― Cycl. Supp. s.v. Mediante, The Mediant of a mode is that note which is a third higher than the final; or that which divides the fifth of every authentic mode into two thirds. 1818Busby Gram. Mus. 314 The Triad may have its mediant either two whole tones, or a tone and a semi-tone, above its Root.
attrib.1880Stainer Composition §18 The seventh degree of the scale can be part either of the dominant or mediant chords. 1885A. J. Ellis tr. Helmholtz' Sensations of Tone 462 Modulation into the Mediant Duodene.
▪ II. ˈmediant, a. rare—1.
[ad. late L. mediant-em, pr. pple. of mediāre: see prec.]
Intervening.
1853E. S. Sheppard Ch. Auchester III. 150, I..set off on foot along the sun-glittering road..till through the mediant chaos of brick-fields..I entered the dense halo surrounding London. |