| is based on.... | 九邊形 |
| 英文.... | Having the form or outline of a nonagon, which is a plane figure having nine angles and nine sides. |
| 九邊形的............ | [AS-Academia Sinica] |
| ................. | AAT-Taiwan 借詞編輯與使用原則 (2013) April 29, 2014 |
| ................. | 國立臺灣海洋大學海洋生物研究所碩士論文(2011年) 1411 |
| nonagonal............ | [VP] |
| ................. | Oxford English Dictionary Online (2002-) |
| ................. | Merriam-Webster Dictionary [online] (2008-) |
| ................. | Encyclopedia Britannica Online (2002-) |
| enneagonal............ | [VP] |
| ................. | Ya-jun Yin et al, Fractal Geometry and Hair Fiber (2009) |