ellipsoid

柯林斯词典

ellipsoid /ɪˈlɪpsɔɪd/

• 1. N a geometric surface, symmetrical about the three coordinate axes, whose plane sections are ellipses or circles. Standard equation: x²/a² + y²/b² + z²/c² = 1, where ±a, ±b, ±c are the intercepts on the x-, y-, and z- axes 椭面

• 2. N a solid having this shape 椭球形物体

  the earth is an ellipsoid

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