| 释义 |
isorhythmic, a.|aɪsəʊˈrɪθmɪk|
Also isorrhythmic.
[f. iso- + Gr. ῥυθµ-ός measured motion, ῥυθµικ-ός set to time, rhythmic.]
1. Anc. Pros. Having the same number of moræ or units of time in thesis and arsis; characterized by feet of this kind (such as the dactyl, spondee, and anapæst).
2. Constructed in the same rhythm or metre (as something else).
1870Graphic 20 Aug. 183/1 We should like to see an isorhythmic English version of Victor Hugo's ‘Chasse du Burgrave’ or ‘Pas d'armes du Roi Jean’.
3. Mus. ‘A modern musicological term applied to fourteenth-century choral works in which the tenor canto fermo (or sometimes an upper part) is many times repeated as to its rhythmic features, the pitch of the notes, however, being varied each time it appears’ (Oxf. Compan. Mus. ed. 9). Also in more general use.
1954Grove's Dict. Mus. IV. 551/1 The isorhythmic motet came to life shortly before 1316. 1957Listener 26 Dec. 1086/1 An aria..on an isorrhythmic bass, that is to say, a ‘ground’ whose recurrencies begin on different beats in the bar. 1962Ibid. 20 Sept. 453/1 Whether the demonstration is of isorhythmic patterns, classical thematic structures or rotations of a twelve-note succession, it rarely does more than rationalize a unity already intuitively experienced. 1963Medium ævum XXXII. 151 The elaborate iso-rhythmic setting of O potores exquisiti from the Carmina Burana. 1972Daily Tel. 23 Feb. 11/7 To pinpoint some isorhythmic features when a given sequence of durations, though not of pitches, is reiterated in one or more parts. 1972Composer & Conductor Aug. 6/1 Friedrich Ludwig proposed the term Isorhythmic to designate identical rhythmic patterns of different melodies in medieval motets. |