tritonality Mus.
(traɪtəʊˈnælɪtɪ)
[f. tri- + tonality.]
The simultaneous use of three keys in a musical composition. Hence triˈtonal a.
| 1931 Music & Lett. Oct. 323 Atonalities, bitonalities, tritonalities and their peers are best heard and not seen. 1944 Scrutiny XII. 121 The Lydian [mode]..is harmonically treacherous owing to its imperfect tritonal fourth. 1963 Listener 17 Jan. 141/2 The third movement is at the opposite tritonal pole, F sharp. |