On the size of tokamak fusion power plants

OED's earliest evidence for tokamak is from 1969, in Nature: a weekly journal of science tokamak is a borrowing from Russian Etymons: Russian tokamák See

A tokamak is a machine that confines a plasma using magnetic fields in a donut shape that scientists call a torus Fusion energy scientists believe that

tokamak A tokamak is an experimental device that creates a nuclear fusion reaction, which in turn produces energy to heat water and produce steam that drives turbines

tokamak tokamak reactor Already this piece of advanced tokamak physics has been employed in the ARIES