implosion weapon


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implosion weapon

A weapon in which a quantity of fissionable material, less than a critical mass at ordinary pressure, has its volume suddenly reduced by compression (a step accomplished by using chemical explosives) so that it becomes supercritical, producing a nuclear explosion.
Translations
arme à implosion
References in periodicals archive ?
Using less than 8 grams of plutonium, they obtained information useful in assessing how long a plutonium pit, or the core of an implosion weapon, can be kept in a reliable state.
Also, implosion weapons are more difficult to build than gun weapons, but they are also more efficient, requiring less fissile material.