Geom. [f. after PERSPECTIVE: see TRI-.] A relation, analogous to perspective (PERSPECTIVE sb. 3 c) between three trigraphic ranges of points: see TRIGRAPHY.
1895. J. W. Russell in Proc. Lond. Math. Soc., XXVI. 450. Three ranges situated as above may be said to be in trispective, O being the centre of trispective.
