subspace

[suhb-speys]
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.
a.
a subset of a given space.
b.
Also called linear manifold. a subset of a vector space which is itself a vector space.
c.
a subset of a topological space, having the relative topology.

Origin:
1925–30; sub- + space

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To subspace
Example sentences
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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