Vacuum

English Meaning

A space entirely devoid of matter (called also, by way of distinction, absolute vacuum); hence, in a more general sense, a space, as the interior of a closed vessel, which has been exhausted to a high or the highest degree by an air pump or other artificial means; as, water boils at a reduced temperature in a vacuum.

1. Absence of matter.
2. A space empty of matter.
3. A space relatively empty of matter.
4. A space in which the pressure is significantly lower than atmospheric pressure.
5. A state of emptiness; a void.
6. A state of being sealed off from external or environmental influences; isolation.
7. A vacuum cleaner.
8. Of, relating to, or used to create a vacuum.
9. Containing air or other gas at a reduced pressure.
10. Operating by means of suction or by maintaining a partial vacuum.
11. To clean with or use a vacuum cleaner.