| 单词 | secancy | 
| 释义 | secancyn.  The property or fact of being secant. ΘΚΠ the world > relative properties > number > geometry > line > 			[noun]		 > which divides or intersects midlinea1398 secant1684 section1820 bisectrix1854 ground-line1857 secancy1857 transversal1881 1857    C. Davies  & W. G. Peck Math. Dict. at 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. This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2018). < | 
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