prism (mathematics)

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In mathematics, a solid figure whose cross-section is the same along its length. When a slice is cut through a prism, the size and shape of the cross-section is always the same. A cube, for example, is a rectangular prism with all faces (bases and sides) the same shape and size. A cylinder is a prism with a circular cross section. The name of a prism is often derived from the shape of its prism, such as a triangular prism and a cuboid.

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