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cuboid

UK/ˈkjuːbɔɪd/US/ˈkjuːbɔɪd/
nounC1Very rare — outside the 30,000 commonest English words, so you will meet it in writing rather than in speech — cube sits at #4,838Too rare in one of the two pools to compare — fewer than 20 uses in speech or in writing

Other forms: cuboids

A cuboid is a box shape with six rectangular faces. A cuboid block, cuboid in shape, the volume of a cuboid.

A cube is one where every face is square, so every cube is a cuboid and almost no cuboid is a cube. It is the shape of nearly every box and room, since it stacks and cuts without waste.

Horcrux · CC BY-SA 4.0

Definitions of cuboid

  1. 1nouncuboidA box shape with six rectangular faces.C1

    “Calculate the volume of the cuboid by multiplying its length, width and height.”

cuboid is a shape.

Where it comes from

  1. Ancient Greek

    κύβος

  2. Latin

    cubus

  3. Old French

    cube

  4. English

    cube

  5. English, today

    cuboid

From cube + -oid. cube comes from Old French cube, from Latin cubus, from Ancient Greek κύβος. tæfel ("cube, die, game with dice or tables").

Etymology from Wiktionary, CC BY-SA

Practised in Light & Shadow, Shapes & Lines

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cuboid in the wild

  • The rectangular cuboid (six rectangular faces), cube (six square faces), and the rhombohedron (six rhombus faces) are all special cases of parallelepiped.

    Parallelepiped

  • In geometry, a cuboid is a hexahedron with quadrilateral faces, meaning it is a polyhedron with six faces; it has eight vertices and twelve edges.

    Cuboid

  • A rectangular cuboid (sometimes also called a "cuboid") has all right angles and equal opposite rectangular faces.

    Cuboid

  • In the human body, the cuboid bone is one of the seven tarsal bones of the foot.

    Cuboid bone

  • In mathematics, an Euler brick, named after Leonhard Euler, is a rectangular cuboid whose edges and face diagonals all have integer lengths.

    Euler brick

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From Wikipedia, CC BY-SA 4.0. These sentences were written by other people about their own subjects; they are here to show the word at work, not as anybody’s opinion.

Related words

the cube family

cube

cuboid — used too rare to measure · point at the bar for the others

  • cubic