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tokamak

Pronunciation: /ˈtəʊkəmak/
Definition of tokamak

noun

Physics
  • a toroidal apparatus for producing controlled fusion reactions in hot plasma.

Origin:

1960s: Russian, from toroidalʹnaya kamera s magnitnym polem 'toroidal chamber with magnetic field'

tokamak in other Oxford dictionaries

Definition of tokamak in the US English dictionary