nuclear-powered submarine(n = noun.artifact) nautilus, nuclear submarine - a submarine that is propelled by nuclear power;
is a kind of pigboat, sub, submarine, u-boat

   A submarine for which the motive power comes from the energy generated by a nuclear reactor. Same as nuclear submarine. [WordNet 1.5]

attack submarine, auxiliary research submarine, father of the submarine, fleet ballistic missile submarine, nuclear submarine, nuclear-powered ship, submarine, submarine ball, submarine earthquake, submarine pitch, submarine sandwich, submarine torpedo