slipstream /ˈslɪpˌstriːm/ noun plural slipstreams
plural slipstreams
Learner's definition of SLIPSTREAM
[count] technical
: an area of low air pressure that is immediately behind a vehicle that is moving very fast and that other vehicles can ride in to go faster with less effort（车辆快速行驶时后面产生的）滑流，低气压穴