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Euclidean space

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noun Mathematics.
  1. ordinary two- or three-dimensional space.
  2. any vector space on which a real-valued inner product is defined.

Origin of Euclidean space

First recorded in 1880–85
Also called Cartesian space.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
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