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frustum

   Also found in: Wikipedia, Hutchinson 0.06 sec.
frus·tum  (frstm)
n. pl. frus·tums or frus·ta (-t) Mathematics
The part of a solid, such as a cone or pyramid, between two parallel planes cutting the solid, especially the section between the base and a plane parallel to the base.

[Latin frstum, piece broken off.]
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frustum
frustum of a pyramid

frustum
Noun
pl -tums or -ta Geom 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 [Latin: piece]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.frustumfrustum - a truncated cone or pyramid; the part that is left when a cone or pyramid is cut by a plane parallel to the base and the apical part is removed
solid - a three-dimensional shape
truncated pyramid - a frustum formed from a pyramid
truncated cone - a frustum formed from a cone

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? Mentioned in ? References in periodicals archive
 
Sitzia (23) compared the cylinder and frustum formulas and stated that the frustum formula was intrinsically the most accurate, which is easy to visualize because most extremities are shaped like a cone rather than like a cylinder.
The test specimen was in the shape of a frustum of a rectangular pyramid with dimensions; base, 54 by 28.
MAJOR DEALS: Apple Computer, A&W Brands, Entex, Frustum Group, General Foods Federal Credit, Magi Educational, Market Data, MCI, Melville, Miller & Miller, Moskowitz-Jacobs Inc.
 
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