English Dictionary

truncated icosahedron

名詞

(geometry) A polyhedron that has thirty-two faces (12 regular pentagons and 20 regular hexagons) and 60 vertices and 90 edges, and is one of the Archimedean solids.

日本語の意味

切頭二十面体：32の面（12枚の正五角形と20枚の正六角形）、60の頂点、90の辺を持つ多面体で、アーキメデスの立体の一種。

The artist built a lamp shaped like a truncated icosahedron to cast interesting shadows.

芸術家は、面が12個の正五角形と20個の正六角形からなる切頂二十面体の形をしたランプを作り、興味深い影を落とした。

意味（1）

(geometry) A polyhedron that has thirty-two faces (12 regular pentagons and 20 regular hexagons) and 60 vertices and 90 edges, and is one of the Archimedean solids.

This is the truncated icosahedron. Where the five triangles meet to form a vertex is now a pentagon, and a hexagon now replaces each triangular face. Therefore, the truncated icosahedron is composed of twelve pentagons and twenty hexagons.

truncated icosahedra （ plural ）

truncated icosahedrons （ plural ）