Vacuum (disambiguation)

Topics referred to by the same term From Wikipedia, the free encyclopedia

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

As a proper noun

See also

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