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frustum

play
noun frus·tum \ˈfrəs-təm\

Definition of frustum

plural frustums or frusta play \-tə\

  1. :  the basal part of a solid cone or pyramid formed by cutting off the top by a plane parallel to the base; also :  the part of a solid intersected between two usually parallel planes



Origin of frustum

New Latin, from Latin, piece, bit — more at bruise


First Known Use: 1658

Rhymes with frustum


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