1. A three-dimensional figure formed by six parallelograms; a solid with opposite faces that are parallel and congruent.
Usage: Plural of parallelepiped; Common in geometry and mathematics education; A rectangular box (cuboid) is a special case where all angles are right angles

Examples

• A cube is a special type of parallelepiped where all edges are equal and 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.
• The student drew several parallelepipeds in her geometry homework to practice three-dimensional shapes.
• Rectangular boxes and oblique prisms are both examples of parallelepipeds.
• The parallelepiped is defined by three vectors emanating from a single vertex.