bathycurrent
/ˈbæθiːˌkrɛnt/Definitions
1. noun
A deep-water current, especially one in an ocean, having a significant influence on marine ecosystems.
“The research team studied the unique properties of the bathycurrents in the deep ocean.”
2. noun
A strong, deep-seated current of air or water.
“The pilot encountered strong bathycurrents while flying over the mountains.”