Word · Frequency #17098
octagonal
八边形的；八角形的
having eight sides and eight angles; shaped like an octagon
- 1.
Shaped like an octagon, in having eight sides and eight angles.
具有八条边和八个角,形状像八边形的。
- 2.
of or relating to or shaped like an octagon
八边形的；与八边形有关的
具有八条边和八个角,形状像八边形的。；八边形的；与八边形有关的；八边形的；八角形的
In use
The small octagonal table fits perfectly in the corner.
They built an octagonal wooden tower in the garden.
Please draw an octagonal frame around the photo.
octagonal + noun
octagonal 作定语修饰名词，表示该物为八边形。
The building has an octagonal tower.
这座建筑有一座八角形的塔。
be + octagonal
octagonal 作表语，说明主语的形状。
The room is octagonal.
这个房间是八边形的。
Common mistakes
The table is octagon.The table is octagonal.
octagon 是名词，指“八边形”；在系动词后作表语修饰主语时要用形容词 octagonal，意为“八边形的”。
Connections
Collocations
- octagonal tower
- 八角塔
- The castle had an octagonal tower at each corner.这座城堡的每个角落都有一座八角塔。
- octagonal table
- 八角桌
- They gathered around an octagonal table in the library.他们围坐在图书馆的一张八角桌旁。
- octagonal shape
- 八角形
- The stamp has an octagonal shape with a floral design.这枚邮票呈八角形，带有花卉图案。
- octagonal room
- 八角形房间
- The bedroom was an octagonal room with windows on three sides.这间卧室是一个八角形房间，三面都有窗户。
- octagonal pavilion
- 八角亭
- An octagonal pavilion stands in the middle of the garden.花园中央有一座八角亭。
Synonyms
Learner notes
Memory Tip
octopus 的 octa- 是“八”，想象八爪章鱼站在一块八角形地砖上，八个角清清楚楚。
Context & Register
语域：neutral 常见场景：几何形状描述、建筑设计、日常物品说明 该词是描述形状的形容词，通常用于说明物体或图形的八边形特征，在一般书面和口头描述中都适用，属中性词汇。
Pronunciation & Spelling
六边形、五边形和对角线都以相同的重读元音 /æ/ 和 /ɡənəl/ 结尾，与 octagonal 押韵。注意 polygonal 拼写相似，但重音在 /lɪ/，读作 /pəˈlɪɡənəl/，不押韵。
Dictionary facts from ECDICT, WIKTIONARY.