n.
a warship with a streamlined hull designed to operate completely submerged in the sea for long ... adj.
existing, occurring, or used under the surface of the sea: submarine volcanic activity
Oxford American Dictionary
n.
a warship with a streamlined hull designed to operate completely submerged in the sea for long ... adj.
existing, occurring, or used under the surface of the sea: submarine volcanic activity
Oxford Dictionary
n.
a submarine powered by a nuclear reactor: the nuclear submarine docked at a US naval base in Guam
Oxford Dictionary
