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paraboloid of revolution

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Definition of paraboloid of revolution

: the surface generated by the rotation of a parabola about its axis it is a property of a paraboloid of revolution … that rays from an object at infinity are all imaged at the same point on the axis— F. W. Sears

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“Paraboloid of revolution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/paraboloid%20of%20revolution. Accessed 25 Feb. 2021.

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