Last Updated：2025/11/20

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A cone or pyramid whose tip has been truncated by a plane parallel to its base. / A portion of a sphere, or in general any solid, delimited by two parallel planes.

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frustum

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Source Word

frustum

Noun

A cone or pyramid whose tip has been truncated by a plane parallel to its base. / A portion of a sphere, or in general any solid, delimited by two parallel planes.

Japanese Meaning

先端が基底面と平行な平面で切り落とされた円錐またはピラミッドの形状 (切頭円錐や切頭ピラミッド) / 二つの平行な平面によって挟まれた球体の一部、または一般的な立体（切頭体）

What is this buttons?

The engineer examined the metal frustum to ensure its dimensions matched the blueprint.

Google Translation / DeepL Translation

技師は図面の寸法と一致するかどうかを確認するために金属の円錐台を調べた。

Details

Sense（1）

A cone or pyramid whose tip has been truncated by a plane parallel to its base.

In a parabolic conoid this difference vaniſhes, the fruſtum being always equal to a cylinder of the ſame height upon the ſection of the conoid that biſects the altitude of the fruſtum and is parallel to its baſes.

Google Translation / DeepL Translation