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Frustum

Definition:

A frustum is a three-dimensional geometric shape that is formed by slicing a cone or pyramid with a plane parallel to its base. It has two parallel bases of different sizes, connected by a curved surface.

Sense 1: Mathematics

Noun: In mathematics, a frustum refers to a solid shape that is formed when the top part of a cone or pyramid is removed by a parallel cut.

Example Sentence: The volume of a frustum can be calculated using the formula V = (1/3)πh(R² + r² + Rr), where R and r are the radii of the bases, and h is the height of the frustum.

Sense 2: Optics

Noun: In optics, a frustum refers to the section of a solid lens or mirror that lies between two parallel planes.

Example Sentence: The frustum of a lens is often used to control the field of view and enhance the quality of images in optical systems.

Sense 3: Architecture

Noun: In architecture, a frustum refers to the truncated pyramid that forms the base of a dome or spire.

Example Sentence: The frustum of the dome provides structural support and aesthetic appeal to the overall design of the building.

Related Products:

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