Definition
parallelepiped
noun
- A three-dimensional figure formed by six parallelograms, in which opposite faces are parallel and congruent.
Usage: geometry; mathematics
Examples
- A rectangular box is a special type of parallelepiped where all angles are right angles.
- The volume of a parallelepiped can be calculated using the scalar triple product of three edge vectors.
- In crystallography, many mineral structures form parallelepipeds.
- A cube is the simplest example of a parallelepiped with all edges equal and all angles right angles.
- The parallelepiped has twelve edges and eight vertices.