control rod(redirected from Nuclear control rod)
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Related to Nuclear control rod: Chernobyl
control rod[kən′trōl ‚räd]
Any rod used to control the reactivity of a nuclear reactor; may be a fuel rod or part of the moderator; in a thermal reactor, commonly a neutron absorber. Also known as absorbing rod.
A push-pull rod for actuating controls from the cockpit. Control rods are used in manually operated flight control systems.