| 释义 |
secancy|ˈsɛkənsɪ|
[f. secant: see -cy.]
The property or fact of being secant.
1857C. Davies & W. G. Peck Math. Dict. s.v. Secant, If a secant line be revolved about one of the points of secancy until the other point of secancy coincides with it the secant becomes a tangent. |