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hexahedron

noun
🔊/ˌheksəˈhiːdrən/
🔊/ˌheksəˈhiːdrən/
 (geometry几何)
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  1. a solid shape with six flat sides六面体Topics Colours and Shapesc2
    Word Originlate 16th cent.: from Greek hexaedron, neuter (used as a noun) of hexaedros ‘six-faced’.