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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 and Etymology of frustum

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


First Known Use: 1658

Rhymes with frustum


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