- a solid figure consisting of the bottom part of a cone or pyramid, the top of which has been cut off by a plane parallel to the base
- the part of a solid figure contained between two parallel planes
Origin: Classical Latin a piece, bit ; from Indo-European an unverified form bhreus-, to break, crush ; from base an unverified form bher-, to split, cut from source bore
Used by arrangement with John Wiley & Sons, Inc.
noun pl. frus·tums or frus·ta Mathematics
Origin: Latin frūstum, piece broken off.
frustum of a pyramid
frustum - Computer Definition
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