Dictionary

vacuum

1vacuum

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

: 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

plural vac·u·ums or vac·ua \-kyə-wə\

Full Definition of VACUUM

1
:  emptiness of space
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
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
:  a device creating or utilizing a partial vacuum; especially :  vacuum cleaner

Examples of VACUUM

  1. the vacuum of outer space
  2. A pump was used to create a vacuum inside the bottle.

Origin of VACUUM

Latin, from neuter of vacuus empty, from vacare to be empty
First Known Use: 1550

Other Physics Terms

amplitude, centrifugal, centripetal, convection, gradient, hysteresis, kinetic, lase, quantum

2vacuum

adjective

Definition of VACUUM

1
:  of, containing, producing, or utilizing a partial vacuum <separated by means of vacuum distillation>
2
:  of or relating to a vacuum device or system

First Known Use of VACUUM

1825

Other Physics Terms

amplitude, centrifugal, centripetal, convection, gradient, hysteresis, kinetic, lase, quantum

3vacuum

verb

: to clean (something) with a vacuum cleaner

Full Definition of VACUUM

transitive verb
1
:  to use a vacuum device (as a vacuum cleaner) on <vacuum the living room>
2
:  to draw or take in by or as if by suction
intransitive verb
:  to operate a vacuum device

First Known Use of VACUUM

1922

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