noun
Refers to the accidental release of petroleum into the environment, especially in marine contexts.
タンカーの事故で大規模な石油流出が発生した。
A large-scale oil spill occurred due to a tanker accident.
石油流出による海洋汚染が深刻化している。
Marine pollution from oil spills is becoming more serious.
A broader term for any oil spill, not necessarily petroleum. 石油流出 specifically refers to crude oil or petroleum products.
Compound of 石油 (petroleum) and 流出 (outflow, discharge).