Air
A vacuum is composed of empty space.
Empty space is a vacuum.
A vacuum is an empty space with nothing inside it.
vacuum
vacuum
vacuum - i
The latin root vac means empty
A vacuum.
vacuum
The term for the empty space where no air exists is vacuum. A vacuum is a space devoid of matter, including air. Vacuum is commonly used in scientific research and technology applications, such as in vacuum chambers or vacuum pumps.
THEORETICALLY: An absolute vacuum has no mass contained. In empty space there is no mass, so an absolute vacuum is empty space and empty space is an absolute vacuum. There is no difference. Although, there may be energy passing through the empty space or vacuum in the form of electromagnetic waves, or gravitational or magnetic fields.
In empty space, ie in a vacuum