ＰＷＲ

noun

pressurized-water reactor; PWR

Technical term for a type of nuclear reactor where water is kept under high pressure to prevent boiling. Used in engineering and energy contexts.

• ＰＷＲは加か圧あつ水すい型がた原げん子し炉ろの略りゃく称しょうです。

  PWR is an abbreviation for pressurized-water reactor.

• 日本にほんの多おおくの原げん発ぱつはＰＷＲを採さい用ようしている。

  Many nuclear power plants in Japan use PWRs.