noun
fast reactor; fast-neutron reactor
Technical term in nuclear engineering for a reactor that uses fast neutrons without a moderator.
高速炉は、高速中性子を利用する原子炉です。
A fast reactor is a nuclear reactor that uses fast neutrons.
Fast breeder reactor, a type of fast reactor that produces more fissile material than it consumes.
Compound of 高速 (high-speed) and 炉 (furnace/reactor), referring to the use of fast neutrons.