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cube

cube, in geometry, regular solid bounded by six equal squares. All adjacent faces of a cube are perpendicular to each other; any one face of a cube may be its base. The dimensions of a cube are the lengths of the three edges which meet at any vertex. The volume of a cube is equal to the product of its dimensions, and since its dimensions are equal, the volume is equal to the third power, or cube, of any one of its dimensions. Hence, in arithmetic and algebra, the cube of a number or letter is that number or letter raised to the third power. For example, the cube of 4 is 43=4×4×4=64. The problem of constructing a cube with a volume equal to twice that of a given cube using only a compass and a straightedge is known as the problem of the duplication of the cube and is one of the famous geometric problems of antiquity. The cube, or hexahedron, is one of only five regular polyhedra (see polyhedron).

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cube

cube / kyoōb/ • n. a symmetrical three-dimensional shape, either solid or hollow, contained by six equal squares. ∎ short for cubicle. ∎  a block of something with six sides: a sugar cube. ∎  Math. the product of a number multiplied by its square, represented by a superscript figure 3: a body increasing in weight by the cube of its length. • v. [tr.] 1. Math. raise (a number or value) to its cube. 2. cut (food) into small cubes. 3. tenderize (meat) by scoring a pattern of small squares into its surface: [as adj.] (cubed) cubed steaks.

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cube

cube In mathematics, the result of multiplying a given number by itself twice. Thus, the cube of a is a × a × a, written a3. A cube is also described as the third power of a number. The cube root is the number that must be multiplied by itself twice over to give a specified number. A cube is also a regular six-sided solid figure (all its edges are equal in length and all its faces are squares).

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cube

cube XVI. — (O)F. cube or L. cubus — Gr. kúbos.
So cubic, cubical XV. cubism form of pictorial art in which the design is based on cubes. XX. — F. cubisme.

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cube

cube A hexahedral crystal shape or form which can be referred to three axes of equal length which intersect at right angles.

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cube

cubeboob, cube, droob, j'adoube, jube, lube, rube, tube •jujube • Danube

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