Word.ws English Dictionary

σ-compact

σ-compact adjective: that is expressible as a countable union of compact sets.

Adjective

σ-compact (not comparable)

  1. That is expressible as a countable union of compact sets.

Origin of σ-compact

The 'σ' stands for "countable union".

Questions about σ-compact

What does σ-compact mean?
Σ-compact means that is expressible as a countable union of compact sets.
What part of speech is σ-compact?
Σ-compact is an adjective.

Words near σ-compact in the dictionary

  1. π-systems
  2. πon
  3. σ-additivity
  4. σ-algebra
  5. σ-algebras
  6. σ-compact
  7. σ-finite measure
  8. σ-finite measures
  9. χ² distribution
  10. χ² distributions
  11. χʷɛmaɬku

Source and license

Adapted from Wiktionary: σ-compact (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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