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Definition of decahedron noun from the Oxford Advanced Learner's Dictionary

decahedron

noun
 
/ˌdekəˈhiːdrən/
 
/ˌdekəˈhiːdrən/
 (geometry)
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  1. a solid shape with ten flat sides compare decagonTopics Colours and Shapesc2
    Word Originearly 19th cent.: from deca- ‘ten’ + -hedron, on the pattern of words such as polyhedron.
See decahedron in the Oxford Advanced American Dictionary
Check pronunciation: decahedron

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trait
noun
 
 
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