light-water nuclear reactor
Technical term for a nuclear reactor that uses ordinary water as both coolant and neutron moderator.
Light-water nuclear reactors are the most common type of nuclear reactor in the world.
General term for any nuclear reactor; 軽水原子炉 specifies the light-water type.
A heavy-water nuclear reactor, which uses deuterium oxide instead of ordinary water.
Compound of 軽水 (light water) and 原子炉 (nuclear reactor).