heptagon
noun /ˈheptəɡən/
/ˈheptəɡɑːn/
(geometry)- a flat shape with seven straight sides and seven anglesTopics Colours and Shapesc2Word Originlate 16th cent.: from Greek heptagonon, neuter (used as a noun) of heptagonos ‘seven-angled’.
| 单词 | heptagon |
| 释义 | heptagonnoun /ˈheptəɡən/ /ˈheptəɡɑːn/ (geometry)
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