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Webster 1913 Edition

Frustum

‖

Frus′tum

,
Noun.
;
pl. L.
Frusta
(#)
, E.
Frustums
(#)
.
[L.
fruslum
piece, bit.]
1.
(Geom.)
The part of a solid next the base, formed by cutting off the, top; or the part of any solid, as of a cone, pyramid, etc., between two planes, which may be either parallel or inclined to each other.
2.
(Arch.)
One of the drums of the shaft of a column.

Webster 1828 Edition

Frustum

FRUS'TUM

,
Noun.
[L. See Frustrate.] a piece or part of a solid body separated from the rest. The frustum of a cone, is the part that remains after the top is cut off by a plane parallel to the base; called otherwise a truncated cone.

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