[hahy-per-pleyn, hahy-per-pleyn]

noun Mathematics.

a subspace of a vector space that has dimension one less than the dimension of the vector space.

Origin of hyperplane

First recorded in 1900–05; hyper- + plane1
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British Dictionary definitions for hyperplane



maths a higher dimensional analogue of a plane in three dimensions. It can be represented by one linear equation
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012