Last Updated:2025/11/19

(mathematics) A regular three-dimensional object in which every cross-section is a circle; the figure described by the revolution of a circle about its diameter .

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sphere

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Source Word

sphere

IPA(Pronunciation)
Noun
archaic historical figuratively
Japanese Meaning
(数学)すべての断面が円となる正規な三次元物体、すなわち円を直径周りに回転させて得られる図形、つまり球体を指す。
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幾何学者は対称性を示すために完璧な球体をテーブルの上で転がした。

plural

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