The ditrigonal dodecadodecahedron is a convex Archimedean solid, which is notable for its unique geometry. It is characterized by having 12 faces that are each ditrigonal triangles, combined with 20 faces that are regular pentagons. This polyhedron has a total of 60 edges and 20 vertices.

An elongated bicupola is a type of Archimedean solid, which is a polyhedron made up of two identical cupolae (which are dome-like structures) connected by a cylindrical section. It can be visualized as taking two cupolae (specifically, a square cupola or a triangular cupola) and joining them together, but with an elongated shape.

An elongated bipyramid is a type of convex polyhedron that can be classified as a member of the family of bipyramids. It is formed by taking a regular polygon and adding two additional vertices that are positioned along the axis perpendicular to the polygon's plane. This elongates the resulting bipyramid compared to a standard bipyramid, which has two identical bases and equally spaced apex points above and below the center of the base.

The compound of five cubohemioctahedra is a three-dimensional geometric structure that consists of five cubohemioctahedra arranged in a symmetrical configuration. A cubohemioctahedron itself is a convex Archimedean solid, which can be described as having both cube and octahedron characteristics. In this compound, the cubohemioctahedra intersect and share vertices and faces, creating a complex arrangement that showcases the beauty of polyhedral symmetry.

A compound of five great rhombihexahedra consists of five instances of the great rhombihexahedron, a type of convex polyhedron that is a member of the Archimedean solids. The great rhombihexahedron is composed of hexagonal and square faces. In geometric terms, the compound of these five great rhombihexahedra involves arranging them in such a way that they interpenetrate each other.

A compound of five icosahedra refers to a geometric arrangement where five icosahedra (which are polyhedra with 20 triangular faces, 12 vertices, and 30 edges) are combined in a specific way to form a new polyhedral structure. This kind of arrangement is often explored in the context of geometric studies such as polyhedral compounds, where multiple identical polyhedra are intersected or arranged around a common center.

The compound of five octahedra, also known as the "pentaoctahedron," is a geometric structure formed by combining five octahedra in a specific arrangement. It can be viewed as a complex polyhedron or a space-filling arrangement. In polyhedral geometry, such compounds often demonstrate interesting symmetrical properties and can be visualized in three-dimensional space.

The compound of five rhombicuboctahedra is a complex geometric figure created by arranging five rhombicuboctahedra (a type of Archimedean solid) in a specific spatial configuration. A rhombicuboctahedron itself is a convex polyhedron with 26 faces (8 triangular faces and 18 square faces), and it features 24 edges and 12 vertices.

A compound of five small cubicuboctahedra is a geometric shape formed by combining five small cubicuboctahedra in a specific arrangement. A cubicuboctahedron is a polyhedron with 8 triangular faces and 6 square faces, characterized as an Archimedean solid. In this compound, the five cubicuboctahedra would be positioned in such a way that they share vertices and/or edges but maintain their individual geometric properties.

The cubitruncated cuboctahedron is a type of Archimedean solid, which is a convex polyhedron with regular polygonal faces and identical vertices. More specifically, it is derived from the cuboctahedron through a process known as truncation.

The compound of five truncated cubes is a geometric figure made up of five truncated cubes arranged in a specific way. A truncated cube is formed by truncating (cutting off) the corners of a cube, resulting in a solid with 8 regular hexagonal faces and 6 square faces. When five such truncated cubes are combined, they form a complex structure that is part of the family of polyhedra.

The compound of four hexagonal prisms refers to a geometric arrangement where four hexagonal prism shapes are combined or arranged together in some manner. In geometry, a hexagonal prism is a three-dimensional solid with two parallel hexagonal bases and six rectangular sides connecting the bases.

The compound of four octahedra with rotational freedom refers to a specific geometric arrangement where four octahedra are combined in a way that they can rotate freely relative to each other. An octahedron is a polyhedron with eight triangular faces, and combining multiple octahedra can create interesting structures. In the context of mathematical or geometric studies, such compounds can exhibit symmetry and complex spatial relationships.

A compound of four triangular prisms refers to a solid formed by combining four triangular prisms in some way. In geometry, a triangular prism is a three-dimensional shape with two parallel triangular bases and three rectangular faces connecting corresponding sides of the triangles. When talking about a compound of four triangular prisms, it could mean different configurations: 1. **Aligned Arrangement**: The four prisms might be arranged in a straight line, sharing a common face or edge.

The term "compound of six cubes" generally refers to a geometric configuration where six individual cubes are arranged together in a specific way. One notable example of this is the "compound of six cubes" in three-dimensional space, which can illustrate interesting properties of geometry and space-filling.

A compound of six decagonal prisms refers to a three-dimensional shape formed by the arrangement of six decagonal prisms combined into one entity. A **decagonal prism** is a type of prism that has two decagonal (10-sided) bases connected by rectangular faces. In this compound, six such prisms are placed together in a specific configuration.

The compound of six octahedra is a geometric arrangement consisting of six regular octahedra arranged in such a way that they share some of their faces, vertices, or edges. One notable example is the "octahedral group," which represents the symmetry of the octahedron and can show how multiple octahedra can be combined in space.

B* can refer to several different concepts depending on the context in which it's used. Here are a few possibilities: 1. **Mathematics**: In mathematics, particularly in set theory and algebra, B* might denote a specific subset or a derived collection of elements from a set B, often indicating some closure or transformation.

The compound of six tetrahedra is a geometric structure formed by the combination of six tetrahedra intersecting in a symmetric arrangement. In this compound, the tetrahedra are arranged in such a way that they share vertices, edges, and faces, creating a complex polyhedral configuration. This compound can also be described mathematically as a polyhedral arrangement with an intricate symmetry. It is an interesting example of a polyhedral compound in three-dimensional space and showcases the fascinating interplay between geometry and symmetry.