vacuum

vacuum

synonyms, antonyms, definitions, examples & translations of vacuum in English

English Online Dictionary. What means vacuum‎? What does vacuum mean?

English

Alternative forms

  • vacuüm (rare)

Etymology

From Latin vacuum (an empty space, void), noun use of neuter of vacuus (empty), related to vacare (be empty)

Pronunciation

  • IPA(key): /ˈvæ.kjəm/, /ˈvæ.kjuːm/

Noun

vacuum (plural vacuums or vacua) (see usage notes)

  1. A region of space that contains no matter.
  2. (plural only "vacuums") A vacuum cleaner.
  3. 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.
    a vacuum of 26 inches of mercury, or 13 pounds per square inch
  4. (physics) A spacetime having tensors of zero magnitude

Usage notes

  • The Latin in vacuo is sometimes used instead of in a vacuum (in free space).

Synonyms

  • (vacuum cleaner): hoover (British)

Antonyms

  • (region of space that contains no matter): plenum

Derived terms

Related terms

Translations

Verb

vacuum (third-person singular simple present vacuums, present participle vacuuming, simple past and past participle vacuumed)

  1. (transitive) To clean (something) with a vacuum cleaner.
  2. (intransitive) To use a vacuum cleaner.
  3. (transitive, databases) To optimise a database or database table by physically removing deleted tuples.

Synonyms

  • (transitive sense): to hoover (British)
  • (intransitive sense): to do the hoovering, to hoover (British)

Translations


French

Pronunciation

  • IPA(key): /va.kɥɔm/

Noun

vacuum m (plural vacuums)

  1. vacuum (space containing no matter)

Synonyms

  • vide

Further reading

  • “vacuum” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Latin

Adjective

vacuum

  1. nominative neuter singular of vacuus

Spanish

Alternative forms

  • vácuum (recommended)

Noun

vacuum m (plural vacuums)

  1. vacuum

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This article based on an article on Wiktionary. The list of authors can be seen in the page history there. The original work has been modified. This article is distributed under the terms of this license.