- a type of nuclear weapon designed to provide a high yield of neutrons but to cause little blast or long-lived radioactive contamination. The neutrons destroy all life in the target area, which theoretically can be entered relatively soon after the attack
Technical name: enhanced radiation weapon
WordReference Random House Learner's Dictionary of American English © 2014
a nuclear weapon designed to release a powerful burst of neutrons and gamma rays, with a weaker blast wave than other nuclear bombs.