Qu'est-ce qu'un vacuum?
Qu'est-ce qu'un vacuum?
- Absence of matter.
- A space empty of matter.
- A space relatively empty of matter.
- A space in which the pressure is significantly lower than atmospheric pressure.
- A state of emptiness; a void.
- A state of being sealed off from external or environmental influences; isolation.
- A vacuum cleaner.
- Of, relating to, or used to create a vacuum.
- Containing air or other gas at a reduced pressure.
- Operating by means of suction or by maintaining a partial vacuum.
- To clean with or use a vacuum cleaner.