| 释义 |
undecagon Geom.|ʌnˈdɛkəgən|
[Irreg. f. L. undec-im eleven, after decagon (cf. hendecagon). So Sp. and Pg. undecágono, F. ondécagone.]
A plane figure having eleven sides and angles.
1728Chambers Cycl., Undecagon, is a regular Polygon of eleven Sides. 1798Hutton Course Math. (1806) I. 271. 1879 Cassell's Techn. Educ. I. 251. |