Time need to prepare a vessel or ship for a return trip(noun)
WordNet. Princeton University. 2010.
Use "turnaround time" in a sentence
"During the diffusion process for the N-Trak soil test in Iowa, soil testing laboratories reduced the cost of their tests and improved the turnaround time required to get results back to the farmer."
"Flare warning: It's turnaround time at Marathon Petroleum Corp. 's Texas City refinery."