Pa*rab"o*loid (?), n. [Parabola + -oid: cf. F. paraboloide.] Geom.
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.
The term paraboloid has sometimes been applied also to the parabolas of the higher orders.
Hutton.
© Webster 1913.