"Nuclear submarines" is a commonly used term to describe the technologically advanced submarines that are powered by nuclear reactors. However, there are multiple alternative names that can be used to refer to these submarines. These include "atomic submarines," "nuclear-powered submarines," "nuclear subs," and "nuclear-powered boats." These synonyms showcase the essential element of nuclear power as the driving force behind the submarine's propulsion. Moreover, the usage of these names varies depending on the context and intended audience. For example, "nuclear-powered subs" would be the more technical term, while "atomic subs" might be more accessible for the general public.