"hyperplane." YourDictionary, n.d. Web. 07 December 2018. <https://www.yourdictionary.com/hyperplane>.
hyperplane. (n.d.). Retrieved December 07th, 2018, from https://www.yourdictionary.com/hyperplane
(geometry) An n-dimensional generalization of a plane; an affinesubspace 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.)