subspace

American  

[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.

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Etymology

Origin of subspace

First recorded in 1925–30; sub- + space

Example Sentences

After each distraction, the researchers saw a rotating pattern within the subspace, as if those "starlings" were circling back into formation after being scattered.

From Science Daily • Nov. 4, 2025

Elegant, assertive, and capable of rigging up a subspace bypass circuit in practically no time at all, Uhura inspired a generation of Black women.

From Los Angeles Times • Jul. 31, 2022

Oriti explains that the model's acceleration of the expansion of the universe, during the stage corresponding to today, is caused by interactions between the subspace quantum objects that make up gravity in the theory.

From Scientific American • Oct. 28, 2021

Gauzy curtains divided up the theater, but there was little to distinguish each subspace beyond the different seating arrangements.

From New York Times • Aug. 19, 2021

She looked at Dad, and they seemed to be exchanging some sort of subspace communiqués.

From "Darius the Great Is Not Okay" by Adib Khorram