frustum

Noun

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Noun

**frustum** (*plural* frustums)

- A cone or pyramid whose tip has been truncated by a plane parallel to its base.
**1742**, Colin MacLaurin,*A Treatise of Fluxions*, Volume 1, page 25 ↗,- In a parabolic conoid this difference vaniſhes, the
**fruſtum**being always equal to a cylinder of the ſame height upon the ſection of the conoid that biſects the altitude of the**fruſtum**and is parallel to its baſes.

- In a parabolic conoid this difference vaniſhes, the
**1809**, William Nicholson, “FRUSTUM ↗”, in The British Encyclopedia, or Dictionary of Arts and Sciences; […], volume III (E … I), London: Printed by C[harles] Whittingham, […]; for Longman, Hurst, Rees, and Orme, […], OCLC 978021632 ↗:- This theorem holds good for complete solids as well as
**frustums**, whether right or oblique, and not only of the solids generated from the conic sections, but also of all pyramids, cones, and in short of any solid, whose parallel sections are similar figures.

**1974**, Stanisław Lem, trans. Michael Kandel,*The Cyberiad*:- Come, every
**frustum**longs to be a cone,

And every vector dreams of matrices.

- Come, every
**2006**, Pawan Harish Nirnimesh, P. J. Narayanan,*Culling an Object Hierarchy to a*, Prem Kalra, Shmuel Peleg (editors),**Frustum**Hierarchy*Computer Vision, Graphics and Image Processing: 5th Indian Conference, ICVGIP 2006*, Springer, LNCS4338, page 252 ↗,- However, when there are multiple view
**frustums**(as in a tiled display wall), visibility culling time becomes substantial and cannot be hidden by pipelining it with other stages of rendering.

- However, when there are multiple view
**2008**, R. Benjamin Davis,*Techniques to Assess Acoustic-structure Interaction in Liquid Rocket Engines*, page 122 ↗,- Here, the dynamics of the fluid-filled
**frusta**of cones are considered (see Figure 5.5). The**frusta**are clamped at their roots and free at their ends.

- Here, the dynamics of the fluid-filled

- A portion of a sphere, or in general any solid, delimited by two parallel planes.
**1840**, James Blundell,*Observations on Some of the More Important Diseases of Women*, page 131 ↗,- In some women it
^{[the os uteri]}is flat, in many more tuberose, and forming, as it were, a**frustum**of a sphere; […] .

- In some women it
**2014**, John Bird,*Engineering Mathematics*, page 183 ↗,**Problem 22.**Determine the volume of a**frustum**of a sphere of diameter 49.74 cm if the diameter^{[sic]}of the ends of the**frustum**are 24.0 and 40.0 cm, and the height of the**frustum**is 7.00 cm.

- bifrustum

- French: tronc
- German: (
*mathematics*) cone Kegelstumpf, (*mathematics*) Stumpf, (*computing, mathematics*) pyramid Pyramidenstumpf - Italian: tronco
- Russian: усечённая пирами́да
- Spanish: tronco, tronco de geometría, tronco geométrico

This text is extracted from the Wiktionary and it is available under the CC BY-SA 3.0 license | Terms and conditions | Privacy policy 0.003