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frustum

/ˈfrʌs.təm/

翻译: 几何体,指用平行于底面的平面截去圆锥或棱锥的顶部后所剩下的部分。

1 个条目

noun

/ˈfrʌs.təm/C2formalscientific
  • zh几何体,指用平行于底面的平面截去圆锥或棱锥的顶部后所剩下的部分。

A geometric solid formed by cutting a cone or pyramid with a plane parallel to its base and removing the top part.

  1. Geometric shapeB2formalscientific

    A truncated cone or pyramid; the remaining portion after the top part is cut off by a plane parallel to the base.

    zh平截头体

    • The engineer calculated the volume of a frustum of a cone for the design.
    • In geometry class, we learned how to find the surface area of a pyramid's frustum.
    • The lampshade has the shape of a frustum of a cone.
    • To model the ancient column, they approximated its shape as a frustum.
词形
  • frusta plural form
  • frustums plural form
  • frusta's possessive plural form
  • frustums' possessive plural form
  • frustum's possessive singular form