icosahedra's Usage Examples:

The plural can be either "icosahedra" (/-drə/) or "icosahedrons".

There are infinitely many non-similar shapes of icosahedra, some of them being more symmetrical.

This uniform polyhedron compound is a composition of 2 icosahedra.

B12 icosahedra which are linked into a three-dimensional boron framework, and the metal atoms reside in the voids of this framework.

Those icosahedra are.

octahedra and 120 icosahedra cells.

Each vertex has five octahedra and two icosahedra.

The plural can be either "icosahedrons" or "icosahedra" (/-drə/).

facets, but all of its cells (ridges) are regular, either tetrahedra or icosahedra.

This 4-polytope has 22 polyhedral cells: 2 icosahedra connected by 20 triangular prisms.

regular tetrahedral and 24 icosahedral cells.

Five tetrahedra and three icosahedra meet at each vertex.

its structure is highly complex, with a mixture of C-B-C chains and B12 icosahedra.

polyhedron compound is a composition of 5 great icosahedra, in the same arrangement as in the compound of 5 icosahedra.

great icosahedra is a uniform polyhedron compound.

It's composed of 2 great icosahedra, in the same arrangement as in the compound of 2 icosahedra.

isolated B 12 icosahedra are not stable, due to the nonuniformity of the honeycomb; thus boron is not a molecular solid, but the icosahedra in it are connected.

has four icosahedra {3,5} around each edge.

All vertices are ultra-ideal (existing beyond the ideal boundary) with infinitely many icosahedra existing.

With Schläfli symbol {3,5,3}, there are three icosahedra around each edge, and 12 icosahedra around each vertex, in a regular dodecahedral vertex.

Different shapes of tensegrity icosahedra, depending on the ratio between the lengths of the tendons and the struts.

discovered in 1977 by Branko Grünbaum, who constructed it by pasting hemi-icosahedra together, three at each edge, until the shape closed up.

can also be aligned with the corresponding faces of various diminished icosahedra.

Synonyms:

polyhedron;