Meaning & use
polyhedra
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the plural of polyhedron; solid geometric shapes with flat polygonal faces, straight edges, and sharp vertices.
See it in a sentence
The students built models of various polyhedra, including cubes and pyramids.
Ancient mathematicians studied the properties of regular polyhedra like the dodecahedron.
A note on using this word
The plural can be 'polyhedra,' the traditional Greek-derived form, or 'polyhedrons'; both are considered correct in modern English.
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