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出典:Wiktionary
出典:『Wiktionary』 (2025/06/11 15:18 UTC 版)
From deca- + -hedron.
decahedron (plural decahedrons or decahedra)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/29 07:11 UTC 版)
In geometry, a decahedron is a polyhedron with 10 faces. There are 32300 topologically distinct decahedra and none are regular, so this name is ambiguous.
名詞の変化形:
decahedron