mixtilinearadj.
/ˌmɪkstᵻˈlɪnɪə/, U.S. /ˌmɪkstəˈlɪniər/ Mathematics. Now rare.
Formed or bounded partly by straight lines and partly by curves.
ΘΚΠ
the world > space > shape > other specific shapes > [adjective] > formed by straight and curved lines
mixtilinear1702
the world > relative properties > number > geometry > shape or figure > [adjective] > two-dimensional > polygonal > bounded by curved and straight lines
mixed1551
mixtilinear1702
mixtilineal1833
1702 J. Raphson Math. Dict. at Angle Angle mixed or mixtilinear.
1734 G. Berkeley Analyst §34 The right Line C c being produced to K, there are formed three small Triangles, the Rectilinear C E c, the Mixtilinear C E c, and the Rectilinear Triangle C E T.
1803 Philos. Trans. (Royal Soc.) 92 121 The lines and mixtilinear triangle therein exhibited cannot be called natural signs.
1868 A. T. Bledsoe Philos. Math. 61 The little mixtilinear figures at the ends of the triangles.
1914 Jrnl. Royal Statist. Soc. 77 420 The effective limit..is represented by..the mixtilinear boundary which is a parabola from A to C and a straight line from C to infinity.
1954 Amer. Math. Monthly 61 711 Find the radius of the circle inscribed in the mixtilinear triangle formed by the two legs of a given right triangle ABC [etc.].
This entry has been updated (OED Third Edition, September 2002; most recently modified version published online March 2022).
<
adj.1702