A nuclear reactor in which the fuel is uranium oxide clad in zircaloy and the coolant and moderator is water, which is boiled to produce steam for driving turbines.
- Activists said that the reactor, an advanced boiling-water reactor, was used by a nuclear power plant in Japan, where several nuclear accidents have occurred.
- The fraction of the reactor's fuel core replaced during refueling is typically one-fourth for a boiling-water reactor and one-third for a pressurized-water reactor.
- Two advanced boiling-water reactors are being built in Japan.
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Syllabification: boil·ing-wa·ter re·ac·tor
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