ENGLISH DICTIONARY

Vacuum

Definition, Meaning & Examples

Pronunciation /ˈvæ.kjuːm/ · Part of speech noun

Quick meaning: Vacuum is a noun meaning A region of space that contains no matter.

Meaning

A region of space that contains no matter.

More Meanings

  1. (colloquial, only pluralized as "vacuums") Ellipsis of vacuum cleaner.
  2. (physics) A spacetime having tensors of zero magnitude.
  3. (physics) A ground state of a quantum field or of local spacetime, or more abstractly the lowest-energy state of a system.
  4. An emptiness in life created by a loss of a person who was close, or of an occupation.
  5. An exercise in which one draws their abdomen towards the spine.
  6. (transitive) To clean (something) with a vacuum cleaner.
  7. The condition of rarefaction, or reduction of pressure below that of the atmosphere, in a vessel, such as the condenser of a steam engine, which is nearly exhausted of air or steam, etc.

Example Sentences

a vacuum of 26 inches of mercury, or 13 pounds per square inch
Right I'm off to practice my vacuum - suck in those stomachs now!
“Who in the world cleans an attic? That's like vacuuming a shed.”
Blessed with round muscle bellies and a phenomenal structure, he also performed a vacuum pose on stage.

Word Forms

Synonyms for vacuum

Depending on context, synonyms include vacancy, void, hoover, vacuum-clean.

Antonyms for vacuum

Common opposites include plenum.

Related Words

Related dictionary entries include vacuum-clean, hoover, void, emptiness, vacancy, vacant.

Related Dictionary Tools

Sources & Attribution

FreeDictionaryAPI.com / Wiktionary · Original source · CC BY-SA 4.0

Dictionary data is provided by FreeDictionaryAPI.com and sourced from Wiktionary under its stated license.