ˈmidˈōshən- noun
: an elevated region with a central valley on the ocean floor at the boundary between two diverging tectonic plates where new crust forms from upwelling magma
ˈmidˈōshən- noun
: an elevated region with a central valley on the ocean floor at the boundary between two diverging tectonic plates where new crust forms from upwelling magma
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012