hyperplane

== English == === Etymology === From hyper- +‎ plane. === Pronunciation === === Noun === hyperplane (plural hyperplanes) (geometry) An n-dimensional generalization of a plane; an affine subspace of dimension n − 1 that splits an n-dimensional space. (In a one-dimensional space, it is a point; in two-dimensional space it is a line; in three-dimensional space, it is an ordinary plane.) ==== Related terms ==== hypersurface ==== Translations ====