Propulsion. Propulsion provides the forward motion. The actual motion itself is called by the nautical term "way" as in "under way". It is the same term as applied to a surface ship and comes from the time well before steam power.
A submarine.
A vessel that travels underwater is termed a submarine.
A submarine is a ship that can travel underwater.
An underwater volcano is called a submarine volcano.
No, the body of a submarine is not typically referred to as a "fuselage." The term "fuselage" specifically describes the main body of an aircraft, while the corresponding term for a submarine is "hull." The hull is designed to withstand underwater pressure and provides the submarine's structural integrity.
The little underwater boat on Club Penguin could be either a midget submarine or an untethered submersible. Its smallness and agility make a good case for calling it a submersible. In the Aqua Grabber instructions they call it a 'sub', which is usually short for submarine but could actually refer to either one.
Fulton named his submarine Nautilus
I dont know what you call 5 blondes underwater.
A sea version of a volcano is called an underwater or submarine volcano. These volcanoes erupt beneath the surface of the ocean, releasing magma and gases into the water. They can create new islands or extend the size of existing ones.
Submariners.
He is a submariner.
seamount