Last Updated：2025/11/29

(geometry) A spheroid; a solid of revolution generated by rotating an ellipse about one of its axes.

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ellipsoid of revolution

Source Word

ellipsoid of revolution

Noun

(geometry) A spheroid; a solid of revolution generated by rotating an ellipse about one of its axes.

Japanese Meaning

楕円の一軸を中心に回転させることによって得られる立体。一般に「回転楕円体」と呼ばれる。

The Earth is often approximated as an ellipsoid of revolution rather than a perfect sphere.

地球は完全な球体ではなく、しばしば回転楕円体として近似される。

Sense（1）

(geometry) A spheroid; a solid of revolution generated by rotating an ellipse about one of its axes.

An ellipsoid of revolution may be either prolate or oblate.

ellipsoids of revolution

（ plural ）