suppression pool; pressure suppression chamber
Technical term in nuclear engineering; a large pool of water used to condense steam and suppress pressure in a boiling water reactor (BWR) during an accident.
See also: 圧力抑制プール · サプレッションプール
The suppression pool is installed in the lower part of the reactor containment vessel.
During an accident, steam is directed to the suppression pool to prevent overpressure in the containment vessel.