a. [f. TRI- 1 a + DIMENSIONAL.] Having or exhibiting three dimensions, as a solid body. Hence Tridimensionality, the condition or quality of being of three dimensions (in quot. 1894 loosely used).
1875. Cayley, in Phil. Trans., CLXV. 678. Theorem C, in the particular case of *tridimensional space.
1894. Nation (N. Y.), 23 Aug., 145/1. The tridimensional graphs of Wislicenus.
1906. Athenæum, 19 May, 612/3. An ingenious series of star charts which when looked at through red and green spectacles exhibit the stars as appearing in tri-dimensional space.
1894. Nation (N. Y.), 13 Sept., 192/2. There are three fundamental color-sensations ; but there is nothing corresponding to this *tri-dimensionality in the vibrations themselves.
1901. Titchener, Exper. Psychol., I. ix. 138. The two figures will approach each other, and at last will overlap . At the moment of complete overlapping, the cone stands out with an almost startling tridimensionality.