hexahedron
/'heksə'hedrən/
Definition
- Noun:
- A solid geometric figure with six plane faces: A hexahedron is any polyhedron (a three-dimensional shape with flat polygonal faces, straight edges, and sharp corners or vertices) that has exactly six faces. The most common and regular example is a cube, where all six faces are squares.
Examples of Usage
- Noun:
- A cube is a regular hexahedron.
- The children learned about different polyhedra, including the hexahedron.
- The crystal's structure approximated that of a hexahedron.
Advanced Usage
- "Regular hexahedron": This specific term refers to a hexahedron where all faces are congruent regular polygons and all angles are equal. This is synonymous with a cube.
- In geometry, a cube is also known as a regular hexahedron.
Variants and Related Words
- Hexahedral (adj): Having the form of a hexahedron.
- The mineral exhibited a hexahedral crystal habit.
Synonyms
- Cube (when referring specifically to a regular hexahedron with square faces).
- Six-faced polyhedron (descriptive synonym).
Noun
-
any polyhedron having six plane faces
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