magnetic bottle

noun
1.
Physics. a magnetic field so shaped that it can confine a plasma: used in a proposed design for fusion reactors.
Origin
1955-60
Examples from the web for magnetic bottle
  • But before break-even could be achieved, unexpected instabilities set in, causing the magnetic bottle to spring leaks.
  • In addition, the detector could be placed inside a magnetic bottle to screen out magnetic noise.
British Dictionary definitions for magnetic bottle

magnetic bottle

noun
1.
a configuration of magnetic fields for containing plasma