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heptagon

Word family
Related topics: Shapes, patterns, Maths
hep·ta·gon /ˈheptəɡən $ -ɡɑːn/ noun [countableC]  
CFa shape with seven straight sides 七边形,七角形 polygon
heptagonal /hepˈtæɡənəl/ adjectiveadj
Origin heptagon
(1500-1600) Greek heptagonos, from hepta seven + gonia angle
hep·ta·gon noun
Chinese
Syllable
heptagon
Shapes with many angles: chevron, cross, cube...

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