tokamak

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tokamak

to·ka·mak

(tô′kə-măk′, tŏk′ə-)

A doughnut-shaped chamber used in fusion research in which a plasma is heated and confined by magnetic fields.

[Russian, from to(roidal'naya) kam(era s) ak(sial'nym magnitnym polem), toroidal chamber with axial magnetic field.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tokamak

(ˈtɒkəˌmæk)

(General Physics) physics a toroidal reactor used in thermonuclear experiments, in which a strong helical magnetic field keeps the plasma from contacting the external walls. The magnetic field is produced partly by current-carrying coils and partly by a large inductively driven current through the plasma

[C20: from Russian to(roidál'naya) kám(era s) ak(siál'nym magnitnym pólem), toroidal chamber with magnetic field]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

to•ka•mak

(ˈtoʊ kəˌmæk, ˈtɒk ə-)

n.

a type of experimental nuclear fusion reactor in which a plasma of ions circulates in a toroidal tube and is confined to a narrow beam by an electromagnetic field.

[1960–65; < Russian tokamák, for to(roidál'naya) kám(era s) ak(siál'nym magnítnym pólem) toroidal chamber with an axial magnetic field]

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Noun

tokamak - a doughnut-shaped chamber used in fusion research; a plasma is heated and confined in a magnetic bottle

chamber - a natural or artificial enclosed space

magnetic bottle - container consisting of any configuration of magnetic fields used to contain a plasma during controlled thermonuclear reactions

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Similarly, Rs 300 million has been allocated for National Cancer Hospital and Research Center, Rs 100 million for Tokomak Fusion Program, Rs 100 million for up-gradation and strengthening of R and D labs of National Center for Physics, Rs 100 million for up-gradation of Nuclear Institute of Agriculture (NIA) Tando Jam, Rs 120 million for up-gradation of Atomic Energy Cancer Hospital-NORI (AECH-NORI) and Rs 100 million has been allocated for up-gradation of Silicon Strip Tracker and Muon System for the Compact Muon Solenoid (CMS) Experiment, Research and Development.

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An annex to the nuclear agreement says Iran can "explore cooperation" on an Iranian contribution to the ITER project Coblentz said the Iranians are "very eager to get moving" and join the 35 countries collaborating on building the world's largest experimental fusion machine, called a tokomak.

Iran seeks to join nuclear fusion project

Observing the high cost and slow progress of the government-funded ITER project to develop fusion energy using tokomak technology, Rothrock and other venture capitalists have launched a privately funded effort to pursue an alternative technological approach.

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The Pakistan Atomic Energy Commission (PAEC) had started using an indigenously developed small "tokomak" fusion reactor in 2008 to study nuclear fusion power through plasma while the NCP also has a research department dedicated to the field.

Pakistan focusing more multiple research facilities for plasma physics

Iter is viewed as the next developmental step for tokomak reactors, which use a magnetic field to confine a high-temperature plasma within which deuterium and tritium fuse to release massive amounts of energy.

Skills crisis hits fusion research

Whereas fusion research in the United States reached the doldrums, partly from the confusion resulting from cold fusion, the European Union decided to mount a sophisticated research effort to build a very large tokomak (a magnetic confinement vessel shaped like a doughnut where plasma circulates) in an international consortium called ITER.

Confusion over space

(8) Moreover, Congress specified the basic design, called a tokomak. The measure passed overwhelmingly (there were only 7 votes against in the House of Representatives).