Category:Paraboloid

Pa*rab"o*loid, n. Etym: [parabola + -oid: cf. F. paraboloïde.] (geom.)

Defn: the solid generated by the rotation of a parabola about its Axis; any surface of the second order whose sections by planes Parallel to a given line are parabolas.

Note: the term paraboloid has sometimes been applied also to the Parabolas of the higher orders. Hutton.