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tokamak

   Also found in: Acronyms, Encyclopedia, Wikipedia, Hutchinson 0.02 sec.
to·ka·mak  (tôk-mk, tk-)
n.
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.]
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tokamak

tokamak [ˈtɒkəˌmæk]
n
(Physics / 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.
[from Russian to(roidál'naya) kám(era s) ak(siál'nym magnitnym pólem), toroidal chamber with magnetic field]
ThesaurusLegend:  Synonyms Related Words Antonyms
Noun1.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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