[hyperbolic paraboloid] n (1842): a saddle-shaped quadric surface whose sections by planes parallel to one coordinate plane are hyperbolas while those sections by planes parallel to the other two are parabolas if proper orientation of the coordinate axes is assumed
HYPERBOLIC PARABOLOID
Meaning of HYPERBOLIC PARABOLOID in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012