triacontahedral
Definition
Adjective: - Geometry/Crystallography: "Triacontahedral" describes a solid figure or crystal form that has thirty faces. It is typically used in reference to a triacontahedron, which is a polyhedron with thirty congruent rhombic faces.
Usage Examples
- (The crystal had thirty faces.)
- (A solid with thirty faces.)
Advanced Usage
- "Triacontahedral symmetry": Refers to the symmetry group of a triacontahedron, often used in crystallography to describe certain atomic arrangements.
- The quasicrystal displayed triacontahedral symmetry, a property not found in ordinary crystals. (A symmetry with thirty-fold rotational axes.)
Variants and Related Words
- Triacontahedron (noun): A polyhedron with thirty faces, usually rhombic.
- The triacontahedron is a common shape in icosahedral symmetry. (The thirty-faced solid.)
- Triacontahedral (adjective): Pertaining to or having the shape of a triacontahedron.
Synonyms
- Thirty-faced: A descriptive term for any solid with thirty faces.
- Rhombic triacontahedral: Specifically referring to a triacontahedron with rhombus-shaped faces.
Related Idioms
- No common idioms exist for this highly specialized term, as it is restricted to technical fields like geometry and crystallography.