1. tetrahedron

noun. ['ˌtɛtrəˈhiːdrən'] any polyhedron having four plane faces.


  • τετράεδρον (Ancient Greek (to 1453))

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Words that Rhyme with Tetrahedron

  • polyhedron
  • octahedron

Example sentences of the word tetrahedron

1. Noun, singular or mass
The tetrahedron dome is based off a triangle shape, and it is the least circular dome.