1.
ocean, sea
Large bodies of salt water; the world's oceans. More formal and scientific than 海.
海洋 is the sea as a scientific and administrative subject — the domain studied, polluted, regulated, and drawn on for resources. For the sea you swim in or look at, the word is 海.
Compounds
- 海洋生物 (marine life)
- 海洋汚染 (ocean pollution)
- 海洋資源 (marine resources)
- 海洋国家 (maritime nation)
- 海洋学 (oceanography)