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8 Words That Are Older Than You Think

subspace

[suhb-speys] /ˈsʌbˌspeɪs/
noun
1.
a smaller space within a main area that has been divided or subdivided:
The jewelry shop occupies a subspace in the hotel's lobby.
2.
Mathematics.
  1. a subset of a given space.
  2. Also called linear manifold. a subset of a vector space which is itself a vector space.
  3. a subset of a topological space, having the relative topology.
Origin
1925-1930
1925-30; sub- + space
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for subspace
  • For large systems, this makes it necessary to form an approximation subspace that is composed of many vectors.
  • In subspace terminology, flagging was originally referred to as a war zone.

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