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BNC: 27464 COCA: 28158

octagon

noun
/ˈɒktəɡən/
/ˈɑːktəɡɑːn/
(geometry几何)
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  1. a flat shape with eight straight sides and eight angles八边形;八角形
    Topics Colours and Shapesc2
    Word Originlate 16th cent.: via Latin from Greek octagōnos ‘eight-angled’.
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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