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BNC: 27464 COCA: 28158

octagon

Word family
Related topics: Shapes, patterns, Maths
oc·ta·gon /ˈɒktəɡən $ ˈɑːktəɡɑːn/ noun [countableC]  
CFa flat shape with eight sides and eight angles 八边形,八角形5 see picture at 见图 shape1
octagonal /ɒkˈtæɡənəl $ ɑːk-/ adjectiveadj
 an octagonal tower
八角形塔
Examples from the Corpus
Origin octagon
(1500-1600) Latin octagonum, from Greek, from okta- eight + -gonon -gon
oc·ta·gon noun
Chinese
Syllable
Corpus
BNC: 27464 COCA: 28158
BNC: 27464 COCA: 28158
BNC: 27464 COCA: 28158
octagon
Shapes with many angles: chevron, cross, cube...
Shaped like a specific object: arched, circular, conical...

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