| 释义 |
co-tangential, a. Math.|kəʊtænˈdʒɛnʃəl|
Also contangential.
[f. co-, con- + tangential.]
Having the same tangent.
1879Thomson & Tait Nat. Phil. I. i. §130 A line of curvature of a surface is a line which at every point is co-tangential with normal section of maximum or minimum curvature. 1886Jeffery in London Math. Soc. Proc., On..Contangential..Spherical Circles. |
