subspace

Definition from Wiktionary, a free dictionary

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[edit] English

[edit] Etymology

sub- +‎ space

[edit] Noun

Singular
subspace

Plural
subspaces

subspace (plural subspaces)

  1. (mathematics) A subset of a space which is a space in its own right
  2. (science fiction) Any (often unspecified) method of communicating faster than light