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American pronunciation of 

polyhedron

view main entry for polyhedron noun  /ˌpɑliˈhidrən/
British English pronunciation: polyhedron
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This is the American English pronunciation of polyhedron.

View British English pronunciation of polyhedron.

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BuzzWord

moto-doping

in competitive cycling, the illegal use of motors on bikes in order to gain advantage over other riders

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Open Dictionary

unhappen

be reversed; be as if it had never happened

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