Paraboloid

[pә'ræbәlɒid]

Definition

(noun.) a surface having parabolic sections parallel to a single coordinate axis and elliptic sections perpendicular to that axis.

Typist: Nora--From WordNet

Definition

(n.) 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.

Checker: Natalia