nonagon
/ˈnɒnəgɒn/noun
- a plane figure with nine straight sides and nine angles九边形。
派生词
nonagonal
adjective词源
mid 17th cent.: formed irregularly from Latin nonus 'ninth', on the pattern of words such as hexagon.
| 单词 | nonagon |
| 释义 | nonagon/ˈnɒnəgɒn/noun
派生词 nonagonaladjective词源 mid 17th cent.: formed irregularly from Latin nonus 'ninth', on the pattern of words such as hexagon. |
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