NOUN
- the elapsed time it takes for a signal to travel from Earth to a spacecraft (or other body) and back to the starting point
How To Use RTLT In A Sentence
- L» the cpurfe of my dealings for coUcding artieles of nai - fural hiitory I met with a very inr. oeent adventure, which both entertained and intertlted me much. — The Bee, or, Literary weekly intelligencer [microform] : consisting of original pieces and selections from performances of merit, foreign and domestic : a work calculated to disseminate useful knowledge among all ranks of people at a small expense
