Refers to the ocean as a large body of salt water, often in scientific, geographical, or formal contexts. More formal than 海 (うみ).
Marine pollution has become a serious problem.
この地域の海洋資源は豊かだ。
The marine resources of this region are abundant.
We are working to protect the ocean.
Wastewater from factories is polluting the ocean.
Many creatures live in the deep ocean.
law of the sea; maritime law
superocean; super ocean