Meaning of elliptic paraboloid

ellip'tic parab'oloid

Pronunciation: [key]
— Geom. Geom.
  1. a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are ellipses, while its sections parallel to the other two coordinate planes are parabolas. Cf. hyperbolic paraboloid.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.