"hyperplane." YourDictionary, n.d. Web. 11 October 2018. <http://www.yourdictionary.com/hyperplane>.
hyperplane. (n.d.). Retrieved October 11th, 2018, from http://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.)