paraboloid


pa·rab·o·loid

noun \pə-ˈra-bə-ˌlid\

Definition of PARABOLOID

:  a surface all of whose intersections by planes are either parabolas and ellipses or parabolas and hyperbolas
pa·rab·o·loi·dal \-ˌra-bə-ˈli-dəl\ adjective

First Known Use of PARABOLOID

circa 1702

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