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round-trip time

n. (context telecommunications English) The time elapsed for a message to a remote place and back again.

Usage examples of "round-trip time".

It took ninety-four microseconds round-trip time to the nearest point on the boundary, and a hundred and sixty microseconds to the farthest point.

The fifty days of round-trip time between us and the Herter-Halls seemed like forever.

Not with a round-trip time of seven weeks before they could get an answer.

Voyager had been designed to operate during an extended life-rime and at a great distance from Earth, with an hours-long downlink-uplink communications round-trip time.