单词 | frustum |
释义 | Word Frequency frustum(ˈfrʌstəm) nounWord forms: plural -tums or -ta (-tə) 1. 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. architecture a single drum of a column or a single stone used to construct a pier Word origin C17: from Latin: piece; probably related to Old English brӯsan to crush, bruise |
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