割线的英文怎么说

割线的英文：
secant

A secant is defined as line passing through two points of the curve.
割线的定义是一条通过曲线上两点的直线。

The secant of the complement of a directed angle or arc.
余割有向角的余角或弧的余割

A secant is defined as line passing through two points of the curve.
割线的定义是一条通过曲线上两点的直线。