A vacuum (pl.: vacuums or vacua) is space devoid of matter. The word is derived from the Latin adjective vacuus (neuter vacuum) meaning "vacant" or "void"...

VACUUM is a set of normative guidance principles for achieving training and test dataset quality for structured datasets in data science and machine learning...

A vacuum cleaner, also known simply as a vacuum, is a device that uses suction, and often agitation, in order to remove dirt and other debris from carpets...

Vacuum is the absence of matter, or the very high, but imperfect, vacuum of the solar system and interstellar space. Vacuum may also refer to: Vacuum...

In quantum field theory, a false vacuum is a hypothetical vacuum state that is locally stable but does not occupy the most stable possible ground state...

A vacuum tube, electron tube, thermionic valve (British usage), or tube (North America) is a device that controls electric current flow in a high vacuum...

Vacuum permittivity, commonly denoted ε0 (pronounced "epsilon nought" or "epsilon zero"), is the value of the absolute dielectric permittivity of classical...

A vacuum flask (also known as a Dewar flask, Dewar bottle or thermos) is an insulating storage vessel that slows the speed at which its contents change...

A vacuum arc can arise when the surfaces of metal electrodes in contact with a good vacuum begin to emit electrons either through heating (thermionic emission)...

Vacuum energy is an underlying background energy that exists in space throughout the entire universe. The vacuum energy is a special case of zero-point...

The vacuum magnetic permeability (variously vacuum permeability, permeability of free space, permeability of vacuum, magnetic constant) is the magnetic...

An Atmospheric Vacuum Breaker (AVB) is a backflow prevention device used in plumbing to prevent backflow of non-potable liquids into the drinking water...

A vacuum flange is a flange at the end of a tube used to connect vacuum chambers, tubing and vacuum pumps to each other. Vacuum flanges are used for scientific...

The speed of light in vacuum, commonly denoted c, is a universal physical constant that is exactly equal to 299,792,458 metres per second (approximately...

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...

and political history, the term power vacuum, also known as a power void, is an analogy between a physical vacuum to the political condition "when someone...

vacuum) or the QCD vacuum which deals with quantum chromodynamics (e.g., color charge interactions between quarks, gluons and the vacuum). A vacuum can...

In quantum physics, a quantum fluctuation (also known as a vacuum state fluctuation or vacuum fluctuation) is the temporary random change in the amount...

In quantum field theory, and specifically quantum electrodynamics, vacuum polarization describes a process in which a background electromagnetic field...

Vacuum packing is a method of packaging that removes air from the package prior to sealing. This method involves placing items in a plastic film package...

A vacuum bed is a device sometimes used in BDSM play. A person is placed in a latex envelope spanned by a frame and a suction pump or floor vacuum removes...

list of vacuum cleaners and robot vacuum cleaner manufacturers. A vacuum cleaner is a device that uses an air pump to create a partial vacuum to suck...

Quantum vacuum may also refer to: Quantum chromodynamic vacuum (QCD vacuum), a non-perturbative vacuum Quantum electrodynamic vacuum (QED vacuum), a field-theoretic...

A vacuum pump is a type of pump device that draws gas particles from a sealed volume in order to leave behind a partial vacuum. The first vacuum pump was...

Vacuum induction melting (VIM) utilizes electric currents to melt metal within a vacuum. The first prototype was developed in 1920. Induction heating...

Vacuum valve may refer to: Trickle valve, a type of airlock Vacuum breaker, an anti-siphon valve Vacuum delay valve, an automobile component Vacuum tube...

A vacuum insulated panel (VIP) is a form of thermal insulation consisting of a gas-tight enclosure surrounding a rigid core, from which the air has been...

A vacuum airship, also known as a vacuum balloon, is a hypothetical airship that is evacuated rather than filled with a lighter-than-air gas such as hydrogen...

Vacuum distillation or distillation under reduced pressure is a type of distillation performed under reduced pressure, which allows the purification of...

name given to a cylinder vacuum cleaner made and sold by Numatic International, and is the only mass-produced consumer vacuum cleaner still made in the...