frus·tum (fr s t m)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 fr  stum, piece broken off.] |   frustum of a pyramid |
frustum [ˈfrʌstəm]
n pl -tums, -ta [-tə]
1. (Mathematics) 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. (Fine Arts & Visual Arts / Architecture) Architect a single drum of a column or a single stone used to construct a pier
[from Latin: piece; probably related to Old English brȳsan to crush, bruise]
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  frustum - 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 removedsolid - a three-dimensional shape truncated pyramid - a frustum formed from a pyramid truncated cone - a frustum formed from a cone |
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