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paraboloid

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noun pa·rab·o·loid \pə-ˈra-bə-ˌlȯid\

Definition of paraboloid

: a surface all of whose intersections by planes are either parabolas and ellipses or parabolas and hyperbolas

paraboloidal

play \pə-ˌra-bə-ˈlȯi-d^əl\ adjective

Circa 1702

First Known Use of paraboloid

circa 1702

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