hexahedron

/'heksə'hedrən/

Thân thiện

A child holds a colorful hexahedron in a math classroom.

Definition

1. 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).

Học thuật

Noun

1. any polyhedron having six plane faces