English Dictionary

truncated tetrahedron

noun

(geometry) A convex polyhedron, with four triangular and four hexagonal faces, that is an Archimedean solid and can be constructed by truncating a regular tetrahedron at each vertex by one-third the length of each adjoining edge.

The truncated tetrahedron is a unique polyhedron with 4 triangular faces and 4 trapezoidal faces.

意味（1）

(geometry) A convex polyhedron, with four triangular and four hexagonal faces, that is an Archimedean solid and can be constructed by truncating a regular tetrahedron at each vertex by one-third the length of each adjoining edge.

The space of the El Al pyramid is created essentially by the packing of truncated tetrahedrons.