Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun round-trip_light_time

1 sense of round-trip light time

Sense 1
round-trip light time, RTLT -- (the elapsed time it takes for a signal to travel from Earth to a spacecraft (or other body) and back to the starting point)
       => elapsed time -- (the time that elapses while some event is occurring)