What does `tokamak` mean?

Look up: tokamak

tokamak
[n] - a doughnut-shaped chamber used in fusion research
Found on http://www.webdictionary.co.uk/definitio
Tokamak
The leading magnetic confinement fusion concept named after a Russian word for toroidally (or doughnut) shaped magnetic field. The field the long way around the torus is the toroidal field and is the main confining field for the particles. The toroidal field is produced from a set of poloidally constructed electromagnets. See also: Fusion, Magnetic...
Found on http://www.diracdelta.co.uk/science/sour
Tokamak
doughnut-shaped closed configuration,where a strong electrical current circulates through the plasma,thus generating an extra magnetic field which grips the plasma securely so as to prevent it from spilling out of its magnetic container,and at the same time heating the plasma to the ignition temperature Category: Medicine
Found on http://www.mijnwoordenboek.nl/definition
tokamak
<radiobiology> (Acronym created from the Russian words, TOroidalnaya KAmera ee MAgnitnaya Katushka, or Toroidal Chamber and Magnetic Coil.) ... Because the tokamak is the most common research machine for magnetic confinement fusion today, we provide several descriptions from various sources. One of several types of toroidal discharge chamber i ...
Found on http://www.mondofacto.com/facts/dictiona
tokamak
noun a doughnut-shaped chamber used in fusion research; a plasma is heated and confined in a magnetic bottle
Found on http://wordnet.princeton.edu/perl/webwn?
Tokamak
A `tokamak` is a machine producing a toroidal (doughnut-shaped) magnetic field for confining a plasma. It is one of several types of magnetic confinement devices and the leading candidate for producing fusion energy. The term `Tokamak` is a transliteration of the Russian word `Г?ВўГ?ВѕГ?ВєГ?°Г?ВјГ?°Г?Вє` which itself is an acronym made from the Russian words: ``Г‘вЂљГ?Вѕ`Г‘в‚¬Г?ВѕГ?ВёГ?ВґГ?°Г?В»Г‘Е’Г?ВЅГ?°Г‘В? `Г?ВєГ?°`Г?ВјГ?ВµГ‘в‚¬Г?° Г?ВІ `Г?ВјГ?°`Г?ВіГ?ВЅГ?ВёГ‘вЂљГ?ВЅГ‘вЂ№Г‘... `Г?Вє`Г?°Г‘вЂљГ‘Ж’Г‘Л†Г?ВєГ?°Г‘...` (`to`roidal...
Found on http://en.wikipedia.org/wiki/Tokamak
tokamak
(from the article `nuclear fusion`) ...fusion reactions for practical energy production. Soviet scientists achieved a high plasma temperature (about 3,000,000 K), along with other ... The most extensively investigated toroidal confinement concept is the tokamak. The tokamak (an acronym derived from the Russian words for `toroidal ....
Found on http://www.britannica.com/eb/a-z/t/58
tokamak
An experimental arrangement for achieving controlled nuclear fusion. In a tokamak, two superimposed magnetic fields enclose the plasma: this is the toroidal field generated by external coils on the one hand and the field of a flow in the plasma on the other hand. In the combined field, the field lin...
Found on http://www.daviddarling.info/encyclopedi

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9 November 2009

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On 9 November 1989 the Berlin Wall was finally breached by jubilant Berliners , unifying a city that had been divided for over 30 years. The 28-mile (45 km) barrier dividing Germany's capital was built in 1961 to prevent East Berliners fleeing to the West, but as Communism in the Soviet Republic and Eastern Europe began to crumble, pressure mounted on the East German authorities to open the Berlin border. At midnight on 9th November East Germany's Communist rulers gave permission for gates along the Wall to be opened after hundreds of people converged on crossing points. They surged through cheering and shouting and were be met by jubilant West Berliners on the other side. read more

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