levitronn.
/ˈlɛvɪtrɒn/ Physics.
A type of fusion reactor in which stability of the plasma inside a toroidal container is achieved by the combination of a magnetic field parallel to the sides of the torus, produced by an external winding, with a second field everywhere at right angles to the first, produced by a toroidal current-carrying core magnetically levitated inside the tube.
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thetatron1959
levitron1960
1960 Colgate & Furth in Physics of Fluids III. 999/2 The toroidal analog of the linear hard-core tube is the ‘levitron’, a toroidal pinch tube with a central ring core, levitated by magnetic field or held in place transiently by inertia.
1966 McGraw-Hill Encycl. Sci. & Technol. (rev. ed.) X. 234/2 Several Levitrons are built or under construction.
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018).
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n.1960