vacuum
1vac·u·um
noun \ˈva-(ˌ)kyüm, -kyəm also -kyü-əm\ plural vac·u·ums or vac·ua\-kyə-wə\
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
- the vacuum of outer space
- 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
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