| 释义 |
frus·tum
\ˈfrəstəm\ noun
also frus·trum \-trəm\
(plural frustums \-təmz\ ; or frus·ta \-tə\ ; also frustrums \-trəmz\ ; or frus·tra \-trə\)
Etymology: New Latin, from Medieval Latin & Latin; Medieval Latin frustrum piece, bit, alteration of Latin frustum — more at bruise
1. : the part of a cone-shaped solid next to the base and formed by cutting off the top by a plane parallel to the base; also : the part of a solid (as a cone or pyramid) intersected between two planes that are either parallel or sometimes inclined to each other
2. : one of the drums of the shaft of a column |