Word.ws English Dictionary

round-trip light time

round-trip light time noun: the amount of time required for an electromagnetic signal to travel from Earth to a spacecraft or another celestial body within the Solar System and then return.

Noun

round-trip light time (countable and uncountable, plural round-trip light times)

  1. The amount of time required for an electromagnetic signal to travel from Earth to a spacecraft or another celestial body within the Solar System and then return.

Forms of round-trip light time

pluralround-trip light times

Questions about round-trip light time

What does round-trip light time mean?
Round-trip light time means the amount of time required for an electromagnetic signal to travel from Earth to a spacecraft or another celestial body within the Solar System and then return.
What part of speech is round-trip light time?
Round-trip light time is a noun.
What is the plural of round-trip light time?
The plural of round-trip light time is round-trip light times.

Words near round-trip light time in the dictionary

  1. round-top
  2. round-tops
  3. round-trip
  4. round-trip delay time
  5. round-trip delay times
  6. round-trip light time
  7. round-trip light times
  8. round-trip ticket
  9. round-trip tickets
  10. round-trip time
  11. round-trip times

Source and license

Adapted from Wiktionary: round-trip light time (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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