单词 | secancy |
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. |

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