| 释义 |
hexachord Mus.|ˈhɛksəkɔːd|
[ad. late Gr. ἑξάχορδ-ος, f. ἑξα- hexa- + χορδή string, chord. Cf. F. hexacorde.]
1. A diatonic series or scale of six notes, having a semitone between the third and fourth.
Adopted instead of the ancient tetrachord as the unit of analysis, in the scheme attributed to Guido d'Arezzo (11th c.), in which all recognized notes were distributed among seven hexachords; see gamut.
1730Pepusch Treat. Harmony 76 It is by Canons and Fugues that we may be sensible of the Error of those, that reject the Hexachords as Useless. 1854Bushnan in Circ. Sc. (c 1865) I. 289/2 A plaintive melody, consisting of an ascending and descending scale of the hexachord. 1880W. S. Rockstro in Grove Dict. Mus. I. 735 We look down upon his [Guido's] Hexachords from the perfection of the Octave. He looked up to them from the shortcomings of the Tetrachord.
†2. The interval of a sixth. Obs.
1694W. Holder Harmony viii. (1731) 146 Hexachord, major and minor. 1727–41Chambers Cycl., Hexachord, in the antient music, a concord commonly called, by the moderns, a sixth..The hexachord is two-fold, greater and lesser.
3. ‘A musical instrument with six strings’ (Simmonds Dict. Trade 1858). |