binormal

/bahy-nawr-muhl, bahy-nawr-/US // ˈbaɪˌnɔr məl, baɪˈnɔr- //

二元法,二进制,二级方程式,二元法则

Definitions

n.名词 noun

1
Geometry.
- : the normal to a curve, lying perpendicular to the osculating plane at a given point on the curve.