turn‧a‧round also turnround British English [singular]
the time it takes to receive something, deal with it and send it back, especially on a plane, ship etc:
The average turnaround for a passport application is six working days.
We must reduce costs and shorten turnaround times.
a complete change from a bad situation to a good one
the remarkable turnaround in our economy
➔ turn aroundat turn1