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

- perfect vacuum, which they sometimes simply call "vacuum" or free space, and use the term partial vacuum to refer to an actual imperfect vacuum as one...
- A vacuum cleaner, also known as a sweeper or hoover, is a device that uses an air pump (a centrifugal fan in all but some of the very oldest models), to...
- In electronics, a vacuum tube, an electron tube, or valve (British usage) or, colloquially, a tube (North America), is a device that controls electric...
- commonly called the vacuum permittivity, permittivity of free space or electric constant or the distributed capacitance of the vacuum, is an ideal, (baseline)...
- Vacuum or suction aspiration uses aspiration to remove uterine contents through the cervix. It may be used as a method of induced abortion, a therapeutic...
- In quantum field theory, a false vacuum is a hypothetical vacuum that is somewhat, but not entirely, stable. It may last for a very long time in that...
- The speed of light in vacuum, commonly denoted c, is a universal physical constant important in many areas of physics. Its exact value is 299,792,458 metres...
- the vacuum permeability, permeability of free space, permeability of vacuum, or magnetic constant, is the magnetic permeability in a cl****ical vacuum. Vacuum...
- 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 flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that greatly lengthens the time over which its contents...
Loading...