An atomic gun is a type of weapon that uses atomic technology to create a powerful blast. There are many synonyms for the term, including nuclear gun, atomic rifle, or atomic pistol. The word atomic is interchangeable with nuclear, and the word gun can be replaced with other words like weapon or firearm. Other related terms might include radiation gun or isotopic gun. In the world of science fiction, an atomic gun might also be referred to as an energy gun, laser gun, or antimatter gun. Regardless of the terminology, the concept remains the same: a weapon that harnesses the power of atoms for a devastating effect on its target.