frustum

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Related to frustums: Frustum of a Cone

frustum

1. Geometry
a. the part of a solid, such as a cone or pyramid, contained between the base and a plane parallel to the base that intersects the solid
b. the part of such a solid contained between two parallel planes intersecting the solid
2. Architect a single drum of a column or a single stone used to construct a pier

frustum

[′frəs·təm]
(mathematics)
The part of a solid between two cutting parallel planes.
References in periodicals archive ?
For frustums of paraboloid, conoid and neiloid, their mean cross sectional areas are respectively
It can be easily shown that, for n =1, 2, and 3, the sectional volume equations [7]-[9] for frustums of paraboloid, conoid and neilod, are respectively recovered.
The relative permittivity and permeability tensors in other three quadrilateral frustums and the right half [l.
Firstly, for each to-be-transformed quadrilateral frustum in the virtual space, define w to be the coordinate axis that is perpendicular to the inner and outer boundaries.
The relative permittivity and permeability tensors in other five quadrilateral frustums can be obtained similarly.
Simple objects, which are drawn by new functions are: cube, block, prism, tetrahedral pyramid, n-gonal pyramid, frustum of pyramid, cylinder, sphere, cone, frustum of a cone.