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A solid figure with six plane faces.
- ‘To build an origami hexahedron you will need three of these shapes with three different colors.’
- ‘Meshes comprised of hexahedrons are easier to visualize than meshes comprised of tetrahedrons.’
- ‘The proposition can now be stated in terms of hexahedra as follows: if seven of the eight vertices of a hexahedron lie on a sphere, then so does the eighth.’
- ‘A hexahedron is a solid with 6 faces each composed of (in a regular hexahedron) squares.’
- ‘The regular hexahedron is part of the family of 5 platonic solids, which are the most regular polyhedra.’
- ‘It is commonly called a cube but is formally known as a hexahedron.’
Late 16th century: from Greek hexaedron, neuter (used as a noun) of hexaedros six-faced.
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The definitions of ‘buddy’ and ‘bro’ in the OED have recently been revised. We explore their history and increase in popularity.