pentahedral

A child holds a colorful pentahedral shape in a classroom.

Definition

Adjective: Having five faces, typically used in geometry to describe a solid figure or polyhedron.

Usage Examples

Advanced Usage

"pentahedral symmetry": A type of symmetry found in certain crystals or geometric solids that have five faces.
- The mineral exhibited pentahedral symmetry, making it unique among the samples. (The crystal structure had five symmetrical faces.)

Variants and Related Words

Pentahedron (noun): a solid figure with five faces.
- A pentahedron is a three-dimensional shape bounded by five polygonal faces. (The solid figure itself.)
Pentahedral (adjective): relating to or having the form of a pentahedron.
- The architect designed a pentahedral building for the museum. (The building had five faces.)

Synonyms

Five-faced: having five surfaces or sides.
Pentagonal: relating to or shaped like a pentagon (though this refers to a two-dimensional shape with five sides, not a three-dimensional solid with five faces).

Related Idioms

Phrasal Verbs