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 Vacuum packing, with a minimum of air 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 Vacuum (journal), academic journal on vacuum science and technology Vacuum Oil Company, an 1866 US petroleum company, now part of ExxonMobil Vacuum (band), a musical group from Sweden The Vacuum, a free monthly newspaper published in Belfast, Northern Ireland Vacuum, a 2006 play by Deborah McAndrew Vacuum, a 2004 album by The Watch

See also Void (disambiguation)

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