cuboid
/'kju:bɔid/
Học thuậtThân thiện
Definition
Adjective:
- Shaped like a cube: Having a form that is approximately cubic or box-like, with six rectangular faces meeting at right angles.
Noun:
- A rectangular parallelepiped: A solid object that has six rectangular faces, where all angles are right angles and opposite faces are equal and parallel. It is a specific type of rectangular prism.
- (Anatomy) A bone: Specifically, one of the tarsal bones in the human foot, located on the outer side.
Usage Examples
Adjective:
- The building had a simple, cuboid structure.
- She arranged the cuboid blocks to build a tower.
Noun (Geometry):
- A shoebox is a common example of a cuboid.
- The volume of a cuboid is calculated by multiplying its length, width, and height.
Noun (Anatomy):
- An injury to the cuboid bone can cause significant foot pain.
- The cuboid articulates with the calcaneus and the fourth and fifth metatarsals.
Advanced Usage
- In Mathematics/Geometry: The term is used precisely to describe a hexahedron (a polyhedron with six faces) whose faces are rectangles. A cube is a special case of a cuboid where all faces are squares.
- While all cubes are cuboids, not all cuboids are cubes.
Variants and Related Words
Cuboidal (Adjective): Relating to or having the shape of a cuboid.
- The cells had a cuboidal epithelium.
Cube (Noun/Verb): A regular solid with six equal square faces; or to cut something into cube shapes.
- Rectangular Prism (Noun): A solid geometric figure with rectangular faces; often used synonymously with 'cuboid'.
Synonyms
- Adjective: Cube-shaped, boxy, rectangular.
- Noun (Geometry): Rectangular prism, rectangular parallelepiped, box.
- Noun (Anatomy): Cuboid bone (os cuboideum).
Related Phrases/Compounds
- Cuboid bone: The specific anatomical term for the bone in the foot.
- Cuboid fracture: A medical term for a break in the cuboid bone.
Adjective
- shaped like a cube
Noun
- a rectangular parallelepiped