Pressurized water reactor
NUCLEAR REACTOR WITH A WATER COOLING SYSTEM THAT OPERATES UNDER HIGH PRESSURE
Pressurized Water Reactor; Pressurised water reactor; Pressurised Water Reactor; Pressurized reactor; Pressurized water reactor (PWR); Pressurized water reactors; Pressurized-water reactor; Integral pressurized-water reactor; PWR (nuclear power)
A pressurized water reactor (PWR) is a type of light-water nuclear reactor. PWRs constitute the large majority of the world's nuclear power plants (with notable exceptions being the UK, Japan and Canada).