round-trip light time

NOUN

21 LETTERS · STARTS WITH R

round-trip light time is a valid 21-letter word worth 27 points in Scrabble and 32 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

R1O1U1N1D2-0T1R1I1P3L1I1G2H4T1T1I1M3E1

1 + 1 + 1 + 1 + 2 + 0 + 1 + 1 + 1 + 3 + 0 + 1 + 1 + 2 + 4 + 1 + 0 + 1 + 1 + 3 + 1 =27 PTS

DOUBLE WORD → 54TRIPLE WORD → 81

MEANING

What does round-trip light time mean?

NOUN · 1 SENSE

The elapsed time it takes for a signal to travel from Earth to a spacecraft (or other body) and back to the starting point.

SYNONYMS

BROADER