19521chaos's definitions

tet

Tetrahedron

Tet is in three out of six regular polychora, appearing five times in pen, sixteen times in hex, and six hundred times in ex.

by 19521chaos July 21, 2025

verf

Vertex Figure

The tetrahemihexahedron has a bowtie verf.

by 19521chaos July 24, 2025

Icosahedron

A polyhedron with 20 faces, usually referring to the triangular icosahedron, one of the five platonic solids. (pl. icosahedra, more rarely icosahedrons)

Examples of icosahedra are the decagonal bipyramid, the decagonal trapezohedron, the octadecagonal prism, the enneadecagonal pyramid, the enneagonal antiprism, and the platonic icosahedron

by 19521chaos July 24, 2025

oct

Octahedron

Putting 4 trig around a vertex gives you oct.

by 19521chaos July 21, 2025

Great dodecahedron

A regular polyhedron with 12 pentagonal sides with 5 pentagons meeting at a vertex, circling twice around said vertex.

The great dodecahedron is one of four Kepler-Poinsot polyhedra.

by 19521chaos July 21, 2025

ike

Icosahedron

Ike is one of the five platonic solids, the others being tet, oct, cube, and doe.

by 19521chaos July 21, 2025

Vertex

A fancy word for corner or point used in geometry. (pl. vertices, vertexes (less commonly))

A cube has eight vertexes

by 19521chaos July 24, 2025