noun, plural frus·tums, frus·ta [fruhs-tuh]. /ˈfrʌs tə/. Geometry.
WHO SAID IT: A QUIZ ON PRESIDENTIAL WIT AND WISDOM
Origin of frustum
Words nearby frustum
Example sentences from the Web for frustum
A stick of timber is in the shape of the frustum of a square pyramid, the lower base being 22 in.The Psychology of Arithmetic|Edward L. Thorndike
The lodge, therefore, was not a perfect cone, but the frustum of one; and in this it differed from the lodge of the Comanches.The White Chief|Mayne Reid
Then follows, in most textbooks, a theorem relating to the volume of a frustum.
If the upper base is equal to the lower base, the frustum becomes a cylinder, and still the proposition remains true.
When they had reached the frustum's base, Urim descended and, in turn, presented various members of his retinue.Warrior of the Dawn|Howard Carleton Browne
British Dictionary definitions for frustum
noun plural -tums or -ta (-tə)
- 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
- the part of such a solid contained between two parallel planes intersecting the solid