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单词 platonic solid
释义

WordReference Random House Unabridged Dictionary of American English © 2024
Platonic solid, [Geom.]
  1. Mathematicsone of the five regular polyhedrons: tetrahedron, octahedron, hexahedron, icosahedron, or dodecahedron.
  • 1950–55

Collins Concise English Dictionary © HarperCollins Publishers::
Platonic solid n
  1. any of the five possible regular polyhedra: cube, tetrahedron, octahedron, icosahedron, and dodecahedron
Etymology: 17th Century: named after Plato1, who was the first to list them
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