Definition, Meaning & Synonyms

frustum

Noun
/ˈfrʌstəm/
Definition
A frustum is the portion of a solid (typically a cone or pyramid) that lies between two parallel planes cutting it.
Examples
  • The frustum of a cone can be used in engineering to design certain types of objects.
  • In architecture, the frustum shape is often seen in the design of lampshades.
Meaning
In geometry, a frustum refers to the shape that results when a cone or pyramid is cut by a plane parallel to its base.
Synonyms
  • Truncated cone
  • Cone segment