Etymology

truncated icosahedron

Today it means: 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. Full definition →

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The story

From truncated + icosahedron. Truncatedicosahedron.gif|regular truncated icosahedron Buckminsterfullerene animated.gif|C₆₀: buckminsterfullerene Comparison of truncated icosahedron and soccer ball.png|A soccer ball with a regular truncated icosahedron

Etymology from Wiktionary, CC BY-SA 4.0.