hyperbolic paraboloid

noun Geometry.

a paraboloid that can be put into a position such that its sections parallel to one coordinate plane are hyperbolas, with its sections parallel to the other two coordinate planes being parabolas.

Compare elliptic paraboloid.

Origin of hyperbolic paraboloid

First recorded in 1835–45

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018