frustum
/fruhs-tuhm/US // ˈfrʌs təm //UK // (ˈfrʌstəm) //
甲壳,硬壳,地壳,壳
Definitions
n.名词 noun
- 1
plural frus·tums, frus·ta [fruhs-tuh]. /ˈfrʌs tə/. Geometry.
- : the part of a conical solid left after cutting off a top portion with a plane parallel to the base.
- : the part of a solid, as a cone or pyramid, between two usually parallel cutting planes.
Examples
When they had reached the frustum's base, Urim descended and, in turn, presented various members of his retinue.
The others amused themselves all around me; I found my delight in the frustum of a pyramid.
The form of the stand is the frustum of a hexagonal pyramid reversed, about six or eight inches in diameter.
Of course, when I was taught how to measure a cone, I was also instructed to do the same with the frustum of one.
At ferrum, quod pluit in Taurinis, cuius frustum apud nos extat, qua ex fodina sustulit nubes?
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