atom bomb

• Arme nucléaire dont la puissance destructrice repose sur la fission des noyaux atomiques, généralement à base d'uranium ou de plutonium. Ce terme est également utilisé métaphoriquement pour désigner quelque chose d'extrêmement puissant ou choquant.

A nuclear weapon that derives its destructive power from the fission of atomic nuclei, typically using uranium or plutonium. The term is also used metaphorically to describe something extremely powerful or shocking.

1. Nuclear weaponB2formal

   A powerful explosive weapon that derives its destructive force from nuclear fission reactions.

   bombe atomique

   • The first atom bomb was tested in 1945.
   • The development of the atom bomb changed the course of history.
   • Many countries have signed treaties to limit the spread of atom bombs.