Also found in: Dictionary, Thesaurus, Financial, Acronyms, Idioms, Wikipedia.
a. the act or process in which a ship, aircraft, etc., unloads passengers and freight at the end of a trip and reloads for the next trip
b. the time taken for this
2. the total time taken by a ship, aircraft, or other vehicle in a round trip
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
In petroleum refining, the shutdown of a unit after a normal run for maintenance and repair work, then putting the unit back into operation.
The length of time between arriving at a point and departing from that point; it is used in this sense for the turnaround of vehicles, ships in ports, and aircraft.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.