Vacuum (disambiguation)

Vacuum is the absence of matter, or the very high, but imperfect, vacuum of the Solar System and interstellar space.

Vacuum may also refer to:

  • Vacuum cleaner, a home appliance which uses suction to remove dirt
  • Vacuum flask, an insulated storage vessel
  • Ultra-high vacuum
  • Vacuum state, the quantum state with the lowest possible energy
  • VACUUM, a data set clean-up process
  • An SQL command for reclaiming and defragmentizing unused table space offered by SQLite and PostgreSQL
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