control rod

English

Noun

control rod (plural control rods)

  2. Any of a number of steel tubes, containing boron or other neutron absorber, that are inserted into the core of a nuclear reactor in order to control its rate of reaction.
    Holonym: nuclear reactor
    A faulty control rod design was a key factor in causing the 1986 steam explosion of a reactor at Chernobyl.

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Translations
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