Word.ws English Dictionary

Plural of subspace

regular plural

The plural of subspace is subspaces.

Forms of subspace

Singularsubspace /ˈsʌb.speɪs/
Pluralsubspaces
Countablecountable and uncountable

Subspaces in a sentence

  • In this note we describe the lattice of hyperinvariant subspaces of V.2015, Pudji Astuti, Harald K. Wimmer, “Hyperinvariant subspaces of locally nilpotent linear transformations”, in arXiv. From the entry hyperinvariant
  • If G (G) is conducible, then R splits directly into a sum of linear subspaces on which G(G) acts irreducibly.2011, Hans Freudenthal, H. de Vries, Linear Lie Groups, page 185. From the entry conducible
  • They arise from the ring of polynomials in Dunkl-deformed angular momenta, by classifying the subspaces invariant and antiinvariant under all Weyl reflections, respectively..2015, Francisco Correa, Olaf Lechtenfeld, “The tetrahexahedric angular Calogero model”, in arXiv. From the entry antiinvariant
  • For instance, progressions and lattices play a similar role in arithmetic combinatorics that balls and subspaces play in the theory of normed vector spaces.2006, Terence Tao, Van H. Vu, Additive Combinatorics, Cambridge University Press, page 112. From the entry arithmetic combinatorics

Meaning of subspace

  1. noun A subset of a space which is a space in its own right.
  2. noun Any (often unspecified) method of communicating or travelling faster than light speed.
  3. noun An alternative dimension or universe, access to or use of which permits faster-than-light travel or communications; hyperspace.

Full definition of subspace

Questions about the plural of subspace

What is the plural of subspace?
The plural of subspace is subspaces.
Is subspace countable?
Subspace is a countable and uncountable noun.

Source and license

Adapted from Wiktionary: subspace (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

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