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frus·tum
 frustum
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- pronunciation:
- fruh
st
 m
| part of speech: |
noun |
| inflections: |
frusta, frustums |
| definition 1: |
the bottom part of a cone that remains after the top portion is cut off with a plane parallel to the base.
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| definition 2: |
the part of a cone, pyramid, or other solid figure contained between two usu. parallel planes.
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