different between vacuum vs airlessness

vacuum

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): /?væ.kju?m/, /?væ.kju?.?m/

Noun

vacuum (plural vacuums or (rare) 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

  • (a region of space that contains no matter): vacancy, void
  • (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.k??m/

Noun

vacuum m (plural vacuums)

  1. vacuum (space containing no matter)

Synonyms

  • vide

Descendants

  • Turkish: vakum

Further reading

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

Latin

Adjective

vacuum

  1. accusative neuter singular of vacuus

Romanian

Etymology

From Latin vacuum

Noun

vacuum n (plural vacuumuri)

  1. vacuum

Declension


Spanish

Alternative forms

  • vácuum (recommended)

Noun

vacuum m (plural vacuums)

  1. vacuum

vacuum From the web:

  • what vacuum should i buy
  • what vacuum has the best suction
  • what vacuum has the strongest suction
  • what vacuum is best for hardwood floors
  • what vacuums are made in the usa
  • what vacuum is best for dog hair
  • what vacuum is comparable to dyson
  • what vacuum sealer should i buy


airlessness

English

Etymology

airless +? -ness

Noun

airlessness (uncountable)

  1. The state or condition of being poorly ventilated; lacking good air circulation, having stale air.
  2. The state or quality of a (relative) vacuum.

Translations

airlessness From the web:

  • what does airlessness mean
  • what conditions means airlessness of a lung
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