nuclear reactor
US /ˈnuː.klɪər riˈæk.tər/
UK /ˈnuː.klɪər riˈæk.tər/

1.
ядерный реактор
a device in which nuclear fission is initiated and controlled in a sustained chain reaction to produce energy for electricity generation or other purposes
:
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The power plant operates with a large nuclear reactor.
Электростанция работает с большим ядерным реактором.
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Safety protocols are crucial when working near a nuclear reactor.
Протоколы безопасности крайне важны при работе вблизи ядерного реактора.