noun
nuclear fusion reactor
Technical term for a reactor that produces energy through nuclear fusion.
核融合炉の実用化にはまだ多くの課題がある。
There are still many challenges to the practical application of nuclear fusion reactors.
原子炉 is a nuclear fission reactor, while 核融合炉 is a nuclear fusion reactor.
Compound of 核融合 (nuclear fusion) + 炉 (furnace, reactor).