Definition of Vacuum. Meaning of Vacuum. Synonyms of Vacuum

Here you will find one or more explanations in English for the word Vacuum. Also in the bottom left of the page several parts of wikipedia pages related to the word Vacuum and, of course, Vacuum synonyms and on the right images related to the word Vacuum.

Definition of Vacuum

Vacuum
Vacuum Vac"u*um, n.; pl. E. Vacuums, L. Vacua. [L., fr. vacuus empty. See Vacuous.] 1. (Physics) 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.

Meaning of Vacuum from wikipedia

- A vacuum is a space devoid of matter. The word is derived from the Latin adjective vacuus for "vacant" or "void". An approximation to such vacuum is a...
- A vacuum cleaner, also known simply as a vacuum or a hoover, is a device that causes suction in order to remove dirt from floors, upholstery, draperies...
- A vacuum tube, electron tube, valve (British usage), or tube (North America), is a device that controls electric current flow in a high vacuum between...
- In quantum field theory, a false vacuum is a hypothetical vacuum that is stable, but not in the most stable state possible (it is metastable). It may...
- Vacuum permittivity, commonly denoted ε0 (pronounced as "epsilon nought" or "epsilon zero") is the value of the absolute dielectric permittivity of classical...
- A vacuum truck or vacuum tanker is a tank truck that has a pump and a tank. The pump is designed to pneumatically suck liquids, sludges, slurries, or the...
- Vacuum ****ng is a method of packaging that removes air from the package prior to sealing. This method involves (manually or automatically) placing items...
- A vacuum servo is a component used on motor vehicles in their braking system, to provide ****istance to the driver by decreasing the braking effort. In...
- Vacuum or suction aspiration is a procedure that uses a vacuum source to remove an embryo or fetus through the cervix. The procedure is performed to induce...
- Vacuum permeability is the magnetic permeability in a classical vacuum. Vacuum permeability is derived from production of a magnetic field by an electric...