vacuum

5 ENTRIES FOUND:

1vac·u·um

noun \ˈvak-(ˌ)yüm, -y-əm, -yəm\
plural vac·u·ums or vac·ua \-yə-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 : negative pressure

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