noun
slipstream; wake
Refers to the turbulent air or water current behind a moving object, such as a vehicle or aircraft. Common in technical and everyday contexts.
レーシングカーは前の車の後流を利用して加速する。
Racing cars accelerate by using the slipstream of the car ahead.
飛行機の後流には乱気流が発生しやすい。
Turbulence is likely to occur in the wake of an aircraft.