noun
- plural of icosahedron; three-dimensional geometric shapes with twenty triangular faces
Usage: geometry
Examples
- The students constructed paper icosahedrons for their geometry project.
- Icosahedrons are among the five Platonic solids studied in mathematics.
- The virus particles had the shape of icosahedrons under the microscope.
- She collected dice shaped like icosahedrons for her gaming collection.
- The architect designed a building inspired by icosahedrons.
- Icosahedrons have exactly twelve vertices and thirty edges.