Meaning of CONTROL ROD in English

CONTROL ROD

A rod, plate, or tube containing a material such as hafnium, boron, etc., used to control the power of a nuclear reactor. By absorbing neutrons, a control rod prevents the neutrons from causing further fissions.

NRC Nuclear Energy English Glossary.      Английский глоссарий ядерной энергии NRC (Национальный научно исследовательский совет).