1

vacuum

play
noun vac·u·um \ˈva-(ˌ)kyüm, -kyəm also -kyü-əm\

Definition of vacuum

plural

vacuums

or

vacua

play \-kyə-wə\
  1. 1 :  emptiness of space

  2. 2 a :  a space absolutely devoid of matter b :  a space partially exhausted (as to the highest degree possible) by artificial means (as an air pump) c :  a degree of rarefaction below atmospheric pressure

  3. 3 a :  a state or condition resembling a vacuum :  void <the power vacuum in Indochina after the departure of the French — Norman Cousins> b :  a state of isolation from outside influences <people who live in a vacuum…so that the world outside them is of no moment — W. S. Maugham>

  4. 4 :  a device creating or utilizing a partial vacuum; especially :  vacuum cleaner

Examples of vacuum in a sentence

  1. the vacuum of outer space

  2. A pump was used to create a vacuum inside the bottle.

Origin and Etymology of vacuum

Latin, from neuter of vacuus empty, from vacare to be empty


First Known Use: 1550


2

vacuum

adjective vac·u·um

Definition of vacuum

  1. 1 :  of, containing, producing, or utilizing a partial vacuum <separated by means of vacuum distillation>

  2. 2 :  of or relating to a vacuum device or system

1825

First Known Use of vacuum

1825


3

vacuum

verb vac·u·um

Definition of vacuum

  1. transitive verb
  2. 1 :  to use a vacuum device (as a vacuum cleaner) on <vacuum the living room>

  3. 2 :  to draw or take in by or as if by suction

  4. intransitive verb
  5. :  to operate a vacuum device

1922

First Known Use of vacuum

1922



VACUUM Defined for English Language Learners

1

vacuum

play
noun vac·u·um \ˈva-(ˌ)kyüm, -kyəm also -kyü-əm\

Definition of vacuum for English Language Learners

  • : an empty space in which there is no air or other gas : a space from which all or most of the air has been removed

  • : a situation created when an important person or thing has gone and has not been replaced


3

vacuum

verb vac·u·um

Definition of vacuum for English Language Learners

  • : to clean (something) with a vacuum cleaner


VACUUM Defined for Kids

1

vacuum

play
noun vac·u·um \ˈva-ˌkyüm\

Definition of vacuum for Students

plural

vacuums

or

vacua

\-kyə-wə\
  1. 1 :  a space completely empty of matter

  2. 2 :  a space from which most of the air has been removed (as by a pump)

  3. 3 :  vacuum cleaner


2

vacuum

play
verb vac·u·um

Definition of vacuum for Students

vacuumed

vacuuming

  1. :  to use a vacuum cleaner on <She's vacuuming the carpet.>


Medical Dictionary

1

vacuum

play play
noun vac·u·um \ˈvak-(ˌ)yüm, -yu̇-əm, -yəm\

Medical Definition of vacuum

plural

vacuums

or

vacua

\-yə-wə\play
  1. 1:  emptiness of space

  2. 2a:  a space absolutely devoid of matterb:  a space partially exhausted (as to the highest degree possible) by artificial means (as an air pump)c:  a degree of rarefaction below atmospheric pressure :  negative pressure


2

vacuum

adjective vac·u·um

Medical Definition of vacuum

  1. 1:  of, containing, producing, or utilizing a partial vacuum <separated by means of vacuum distillation>

  2. 2:  of or relating to a vacuum device or system


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